The Sony ULT FIELD 1 is a new portable wireless speaker designed to deliver powerful, deep bass and a robust audio experience in a compact, durable form factor.

It’s part of Sony’s “ULT Power Sound” series, which focuses on enhancing low-frequency output for a more impactful sound, making it ideal for outdoor adventures, casual gatherings, or simply bringing the party wherever you go. This speaker isn’t just about volume.

It’s engineered for clarity and punch, offering features like IP67 dustproof and waterproof ratings, a multi-way strap for versatile carrying, and a long-lasting battery.

Think of it as Sony’s answer to those who want a speaker that can handle the elements while still delivering a surprisingly big sound for its size.

It’s built for resilience and acoustic impact, aiming to be your go-to audio companion for any environment.

Product Name	Key Feature 1	Key Feature 2	Key Feature 3	Price Range Approx.
Sony ULT FIELD 1	ULT Power Sound	IP67 Dust/Waterproof	Multi-way Strap	$120-$150
JBL Flip 6	JBL Original Pro Sound	IP67 Dust/Waterproof	12-Hour Battery Life	$100-$130
Bose SoundLink Flex	PositionIQ Technology	IP67 Dust/Waterproof	Up to 12 Hours Battery	$130-$160
Ultimate Ears MEGABOOM 3	360-degree Sound	IP67 Dust/Waterproof	Floats in Water	$150-$180
Anker Soundcore Motion Boom Plus	80W Stereo Sound	IP67 Dust/Waterproof	20-Hour Playtime	$150-$180
Marshall Emberton II	True Stereophonic	IP67 Dust/Waterproof	30+ Hours Playtime	$170-$200
Tribit StormBox Micro 2	Built-in Strap	IP67 Dust/Waterproof	Power Bank Feature	$60-$80

Table of Contents

Unpacking the ULT Power Sound: More Than Just a Marketing Gimmick

Alright, let’s cut to the chase: what exactly is “ULT Power Sound” and why should you care? Sony isn’t just slapping a fancy label on this. With the ULT FIELD 1, they’re doubling down on a specific audio philosophy: delivering impactful, deep bass and high sound pressure even from a compact speaker. Think of it as a dedicated mode designed to make your podcast feel more visceral, especially for genres that thrive on low-end presence.

What Defines ULT Power Sound?

It’s not just a bass boost. it’s an engineering approach.

Sony’s ULT Power Sound aims to achieve a combination of:

Enhanced Bass Frequencies: This isn’t your old school, muddy bass. It’s about a controlled, powerful low-end that adds punch without overwhelming the mids and highs.
Increased Sound Pressure: Ever noticed how some small speakers sound thin even at max volume? ULT Power Sound seeks to push more air, creating a bigger, more room-filling sound than you’d expect from the speaker’s dimensions.
Dynamic Range Optimization: It’s not just about turning bass up to 11. The system dynamically adjusts to prevent distortion, even at higher volumes, ensuring clarity alongside the power.

The Science Behind the Punch

Sony employs several design and processing techniques to achieve the ULT Power Sound signature in the ULT FIELD 1:

Passive Radiators: These are crucial. While the ULT FIELD 1 has a main driver, the passive radiators vibrate in response to the internal air pressure, amplifying the low-frequency output without needing extra power or larger drivers. This is how small speakers can produce surprisingly deep bass.
Digital Sound Processing DSP: This is the brains of the operation. The DSP chip continuously analyzes the audio signal, applying algorithms to:
- Compress Dynamic Range: This makes quiet parts louder and loud parts less likely to clip, ensuring a consistent listening experience.
- EQ Adjustments: Specific frequencies are boosted or cut to achieve the desired ULT sound profile.
- Distortion Control: Even with boosted bass, the DSP works to minimize audible distortion, especially when pushing the speaker to its limits.
Driver Design: The main speaker driver itself is optimized for efficient bass reproduction, often featuring longer excursion capabilities to move more air.

Practical Implications for Your Listening

So, what does this mean for you when you hit that ULT button on the ULT FIELD 1? Ultimate Ears WONDERBOOM PLAY

Genres Come Alive: If you’re into hip-hop, electronic podcast, pop, or anything with a strong rhythm section, the ULT Power Sound will make it thump harder. It adds that satisfying “oomph.”
Outdoor Performance: In open-air environments where bass tends to dissipate quickly, the increased sound pressure and enhanced low-end help the podcast cut through and maintain its presence.
Impactful Listening: It’s not just about hearing the podcast. it’s about feeling it. This can be great for workouts, dance parties, or just when you want your podcast to have a bit more weight.

It’s important to note that while ULT Power Sound is a core feature, it’s not always on.

You can toggle it, allowing you to choose between a more balanced sound profile and the full-on bass-heavy experience.

This flexibility is key, as not every track benefits from an exaggerated bass response.

But when you want that extra kick, the ULT FIELD 1 is ready to deliver.

Built for Adventure: Dissecting the Durability and Design

When you’re talking about a portable speaker, especially one from Sony, durability isn’t a “nice-to-have” — it’s a “must-have.” The Sony ULT FIELD 1 isn’t just about sound. Sony SRS-XB43

It’s engineered to survive your most ambitious or clumsy escapades. Its design ethos screams “take me anywhere.”

The IP67 Rating: Your All-Weather Companion

Let’s decode that crucial IP67 rating. This isn’t just marketing jargon. it’s an international standard that tells you exactly how resistant a device is to solids and liquids.

“IP” stands for Ingress Protection.
“6” refers to dust protection: A rating of 6 means the device is completely protected against dust ingress. You can take this speaker to the beach, a dusty campsite, or leave it near a construction site though why you would, I don’t know, and fine particles won’t mess with its internals. It’s dust-tight.
“7” refers to water protection: A rating of 7 means the device can be immersed in up to 1 meter about 3.3 feet of water for up to 30 minutes. This isn’t just splash-proof. it’s waterproof. Drop it in a pool, leave it out in a sudden downpour, or hose it off after a muddy hike – the ULT FIELD 1 should keep playing.

Practical implications of IP67:

Beach days: Sand won’t be an issue.
Poolside parties: Accidental dips are fine.
Shower singalongs: Absolutely.
Camping in unpredictable weather: No worries about rain.
Cleaning: You can simply rinse it under a tap if it gets dirty.

Shock-Proof Construction: Surviving the Drops

Beyond dust and water, real-world portability means facing gravity. The ULT FIELD 1 is also designed to be shock-proof. While Sony doesn’t always provide specific drop test heights for this model, their “MIL-STD 810H Method 516.8-Shock” compliant statement implies it can withstand typical drops from reasonable heights onto hard surfaces.

Reinforced Casing: The exterior materials are chosen for their resilience, often using tough plastics and rubberized finishes that absorb impact.
Internal Gasketing: Components inside are often isolated and protected with gaskets and secure mounting to prevent dislodging or damage from sudden impacts.
Durability Testing: Sony puts these speakers through rigorous testing, including drops, vibrations, and extreme temperatures, to ensure they meet their specified toughness.

The Multi-Way Strap: Versatility in Carrying

A speaker is only truly portable if it’s easy to carry. The ULT FIELD 1 features a multi-way strap that isn’t just an afterthought. it’s a thoughtfully integrated design element. Sony SRS-XE200

Multiple Attachment Points: The strap can likely be attached in various configurations, allowing you to:
- Hang it: From a tent pole, a tree branch, a backpack loop.
- Carry it: Like a small handbag.
- Strap it: Secure it to a bike handlebar depending on the strap’s length and flexibility.
Material and Feel: The strap is typically made from durable, weather-resistant material, often with a tactile finish for a secure grip. It’s designed to be comfortable and robust enough for active use.

Why this matters: A good strap elevates portability from “can be moved” to “can be carried effortlessly.” It frees up your hands, keeps the speaker secure, and expands the range of places you can take and use the ULT FIELD 1.

In essence, the ULT FIELD 1 isn’t just tough. it’s thoughtfully tough. Every aspect of its design, from its materials to its strap, is geared towards making it a reliable, take-anywhere audio companion, no matter how rugged your adventures get.

Connectivity and Controls: Seamless Integration

A portable speaker is only as good as its usability, and that means reliable connectivity and intuitive controls. The Sony ULT FIELD 1 doesn’t overcomplicate things.

It focuses on essential features that make pairing and playback a breeze.

Bluetooth 5.3: The Latest in Wireless Audio

The ULT FIELD 1 boasts Bluetooth 5.3, the latest iteration of the ubiquitous wireless standard. This isn’t just a number. it translates into real-world benefits for your listening experience: Sony SRS-XB13

Improved Connection Stability: Bluetooth 5.3 offers a more robust and reliable connection, reducing dropouts and stuttering, even in busy environments with other wireless signals.
Lower Latency: While not critical for just playing podcast, lower latency can subtly improve the syncing of audio with video if you ever use it for that purpose.
Enhanced Power Efficiency: Bluetooth 5.3 is designed to be more power-efficient, potentially contributing to the ULT FIELD 1’s impressive battery life.
Increased Range: While actual range depends on environmental factors, Bluetooth 5.3 theoretically supports greater distances between the speaker and your source device.

Pairing Process:

First-time Pairing: Power on the ULT FIELD 1. It will likely enter pairing mode automatically or you’ll press a dedicated Bluetooth button.
Device Discovery: On your smartphone, tablet, or laptop, go to your Bluetooth settings and select “Sony ULT FIELD 1” from the list of available devices.
Quick Connect: Once paired, the speaker will typically reconnect automatically to the last connected device when powered on.

Stereo Pair Function: Doubling the Soundstage

One of the standout features for those who want a truly immersive experience is the Stereo Pair function. This allows you to link two ULT FIELD 1 speakers together wirelessly to create a stereo soundstage.

How it Works: One speaker acts as the “left” channel and the other as the “right” channel.
Benefits:
- Wider Soundstage: Instead of a single point source, the sound appears to spread out, creating a more enveloping and realistic audio experience.
- Increased Volume: Two speakers naturally deliver more volume than one.
- Improved Immersion: Especially effective for larger rooms or outdoor spaces where a single speaker might sound localized.
Setup: Typically involves pressing a specific button combination on both speakers or using the Sony | Podcast Center app to initiate the pairing process.

On-Device Controls: Tactile and Intuitive

While apps offer deeper control, having physical buttons on the speaker is crucial for quick adjustments without needing to reach for your phone.

The ULT FIELD 1 features a clear layout of essential controls:

Power Button: Turns the speaker on/off.
Volume Up/Down: Adjusts the audio level.
Play/Pause Button: Controls podcast playback. Often doubles as a skip track button double press for next, triple press for previous.
Bluetooth Pairing Button: Initiates Bluetooth pairing mode.
ULT Button: Toggles the ULT Power Sound mode on and off. This is your quick access to that bass boost.

Design of Controls: Sony SRS-XV500

Raised Buttons: Often tactile and slightly raised for easy identification by touch, even in low light.
Durable Materials: Made to withstand repeated presses and exposure to elements, consistent with the speaker’s rugged build.

The combination of advanced Bluetooth technology, the ability to create a stereo pair, and straightforward on-device controls ensures that getting your podcast playing and sounding great on the ULT FIELD 1 is always a seamless experience.

Battery Life and Charging: Powering Your Adventures

A portable speaker is only truly portable if it has the juice to keep the podcast playing for extended periods.

The Sony ULT FIELD 1 steps up to the plate with impressive battery longevity, ensuring your soundtrack doesn’t cut out prematurely.

Up to 12 Hours of Playback: Real-World Usage

Sony rates the ULT FIELD 1 for up to 12 hours of playback. This is a solid figure for a speaker of its size and power, and it’s generally based on specific test conditions:

Volume Level: Typically around 50% volume.
ULT Mode: Often tested with ULT Power Sound off, as it can consume more power.
Codec: Standard SBC or AAC Bluetooth codec.

What does this mean for you? Sonos Move

All-Day Use: For a casual day at the park, a backyard BBQ, or a work shift, 12 hours is more than sufficient.
Weekend Trips: It should easily last through a short camping trip or a weekend getaway without needing a recharge if used intermittently.
Heavy Usage: If you’re blasting podcast at maximum volume with ULT Power Sound constantly engaged, expect slightly less runtime, perhaps closer to 8-10 hours, which is still very respectable.

Factors Affecting Battery Life:

Volume Level: The louder you play it, the faster the battery drains.
ULT Power Sound: Activating ULT mode increases power consumption due to the enhanced bass processing.
Bluetooth Codec: Higher quality codecs if supported can sometimes use more power.
Temperature: Extreme cold or heat can impact battery performance.
Age of Battery: Like all rechargeable batteries, capacity will slightly decrease over time with repeated charge cycles.

USB-C Charging: Modern Convenience

The ULT FIELD 1 embraces modern charging standards with a USB-C port. This is a significant convenience for several reasons:

Universal Compatibility: USB-C is rapidly becoming the standard for portable electronics. This means you likely already have plenty of USB-C cables around for your phone, tablet, or laptop, reducing cable clutter.
Reversible Connector: No more fumbling to figure out which way to plug in the cable – USB-C is reversible.
Faster Charging Potentially: While the ULT FIELD 1’s charging speed will depend on its internal circuitry and the power adapter you use, USB-C has the potential for faster charging compared to older micro-USB ports.
Future-Proofing: Adopting USB-C ensures the speaker remains relevant and easy to charge for years to come.

Charging Indications:

The speaker will typically have an LED indicator that shows charging status e.g., solid red when charging, turns off or changes color when fully charged.

Considerations for Charging: Sony SRS-XB100

Power Adapter: While it uses USB-C, ensure you use a reliable USB power adapter typically 5V/2A or higher for optimal charging speed. Most smartphone chargers will work fine.
Charging Time: Sony will specify the full charging time in the manual, but expect it to be a few hours from empty to full.

The robust battery life coupled with the convenience of USB-C charging makes the Sony ULT FIELD 1 a truly self-sufficient portable audio device, ready to keep the party going for hours on end without constant worry about finding an outlet.

Microphones and Voice Control: More Than Just Podcast

While primarily a podcast player, the Sony ULT FIELD 1 isn’t just a one-trick pony.

The inclusion of a built-in microphone significantly expands its utility, transforming it into a versatile communication and control hub.

Integrated Microphone for Hands-Free Calling

The ULT FIELD 1 features a built-in microphone that allows you to take calls directly through the speaker. This is incredibly convenient in several scenarios:

Conference Calls: When you’re working remotely or need to include others in a call, the speaker’s microphone and audio output can make group discussions much clearer than huddling around a phone.
Hands-Free Conversations: Whether you’re cooking, gardening, or just relaxing, you can answer calls without having to pick up your phone. The audio will come through the speaker, and your voice will be picked up by its microphone.
Outdoor Use: If your phone is tucked away in a bag or pocket, you can still answer calls directly from the speaker.

Microphone Quality:
While it won’t replace a dedicated headset for critical professional calls in noisy environments, the ULT FIELD 1’s microphone is generally optimized for clear voice pickup in typical usage scenarios. It will likely employ some degree of echo cancellation and noise reduction to ensure your voice comes through clearly to the person on the other end. JBL Xtreme 2

Voice Assistant Compatibility: Your Smart Companion

Beyond calls, the microphone also enables voice assistant compatibility. This means you can interact with your smartphone’s built-in voice assistant Siri for iOS, Google Assistant for Android directly through the speaker.

How it Works: You typically press and hold the Play/Pause button or a dedicated voice assistant button if present on the speaker, and it will activate the voice assistant on your connected phone.
What You Can Do:
- Control Podcast: “Play my workout playlist,” “Skip this song,” “Volume up.”
- Get Information: “What’s the weather like?”, “Tell me a joke,” “What’s the capital of France?”
- Set Reminders/Alarms: “Set a timer for 10 minutes,” “Remind me to call John at 3 PM.”
- Make Calls: “Call Mom,” “Call Sarah.”
- Send Messages: “Text Mark, ‘I’m running late.’”

Benefits of Voice Assistant Integration:

Convenience: Keep your phone in your pocket or bag and still control essential functions.
Accessibility: Great for when your hands are full or you’re multitasking.
Seamless Experience: Extends the functionality of your smartphone to your speaker.

It’s important to remember that the ULT FIELD 1 itself doesn’t have a built-in “smart” assistant like Alexa or Google Assistant. it simply acts as a conduit for your phone’s assistant. This keeps the speaker simpler, more focused on audio, and reliant on the intelligence already present in your connected device. Nonetheless, it’s a valuable addition that enhances the overall utility and smart capabilities of the ULT FIELD 1.

Sound Profile and Performance: Beyond the Bass

While “ULT Power Sound” heavily emphasizes bass, it’s crucial to understand that the Sony ULT FIELD 1 isn’t just a one-note wonder. Sony’s audio engineering typically aims for a balanced experience, even when pushing the low end.

The Standard Sound Signature: Sony’s Balanced Approach

When the ULT Power Sound feature is off, the ULT FIELD 1 aims for a more balanced and natural sound profile. Lodge Solar Speaker 4 Series 2

Mids and Highs: Expect clear vocal reproduction and detailed highs. Sony generally designs its speakers to avoid harshness or muddiness in these crucial ranges. Instruments like guitars, pianos, and drums should sound distinct.
Controlled Bass Without ULT: Even without the ULT boost, the speaker should still provide a decent amount of bass for its size, offering a foundation to the podcast without being overpowering. It’s designed to be pleasing across various genres.
Clarity: A primary goal for any quality speaker is clarity. The ULT FIELD 1 should deliver distinct separation of instruments and vocals, allowing you to discern individual elements within a track.

Ideal for:

Acoustic podcast
Podcasts and audiobooks
Classical podcast
Genres where vocal clarity and instrumental detail are paramount

The ULT Power Sound Effect: When You Need That Extra Punch

Activating the ULT Power Sound button fundamentally alters the speaker’s audio signature.

Significant Bass Boost: This is the most noticeable change. The low frequencies are significantly enhanced, providing a deeper, more impactful bass response. This isn’t just about making bass louder. it’s about pushing the perceived depth and rumble.
Increased Sound Pressure: The speaker aims to move more air, resulting in a louder and more “present” sound overall, even at the same volume setting.
Dynamic and Energetic: Podcast with a strong beat, like pop, hip-hop, EDM, or rock, truly benefits from this mode. It adds a visceral punch that makes the podcast feel more alive and engaging, particularly in outdoor or larger spaces where bass tends to get lost. Klipsch The Three II
Careful with Distortion: While Sony engineers strive to minimize distortion, pushing any small speaker with a lot of bass at very high volumes can sometimes introduce some audible artifacts. However, the internal DSP works hard to keep this in check.
Parties and gatherings
Outdoor listening where sound disperses quickly
Genres with heavy bass lines hip-hop, electronic, reggae
When you want to feel the podcast, not just hear it JBL Flip 6

Volume Levels and Room-Filling Capability

For its compact size, the ULT FIELD 1 is designed to get surprisingly loud.

Personal Listening: More than enough volume for personal listening in a bedroom, office, or small apartment.
Small Gatherings: Can comfortably fill a small living room or patio with sound.
Outdoor Performance: The combination of volume and the ULT bass boost helps it cut through ambient noise outdoors, making it a capable companion for picnics, beach outings, or backyard chilling. While it won’t compete with a large party speaker, it punches above its weight class.

Key takeaway: The Sony ULT FIELD 1 offers versatility in its sound. It’s not just a bass machine. it’s a capable speaker that can deliver a balanced sound when desired, but it truly shines when you activate that ULT Power Sound, transforming your listening experience into something more impactful and energetic, especially for bass-driven genres or open environments.

Integration with Sony | Podcast Center App: Deeper Control

While the physical buttons on the ULT FIELD 1 cover the basics, the true potential for customization and enhanced usability often lies within the accompanying smartphone application. For Sony audio devices, this is typically the Sony | Podcast Center app.

What is the Sony | Podcast Center App?

The Sony | Podcast Center app available for both iOS and Android serves as a central hub for managing and controlling various Sony audio devices, including portable speakers, soundbars, and headphones. It provides a more graphical and intuitive interface than on-device buttons alone.

Key Features and Control via the App:

Sound Customization EQ Settings: JBL PartyBox 710
- Graphic Equalizer: This is where you can truly fine-tune the sound to your preference or the specific genre you’re listening to. Instead of just “ULT on/off,” you might find a multi-band equalizer allowing you to boost or cut specific frequencies bass, mids, treble.
- Sound Presets: The app often includes pre-set EQ modes like “Rock,” “Pop,” “Vocal,” or “Outdoor,” which optimize the sound for different types of content or environments. You might also find a dedicated “ClearAudio+” setting, which is Sony’s proprietary sound enhancement technology that aims for optimal audio reproduction.
- ULT Mode Toggle: While there’s a physical button, the app might offer a more granular control or visual confirmation of the ULT Power Sound status.
Stereo Pair / Party Connect Setup:
- Simplified Pairing: The app makes setting up a stereo pair linking two ULT FIELD 1 speakers or potentially a larger Party Connect linking multiple compatible Sony speakers for synchronized playback much easier and more visual than relying solely on button presses.
- Channel Assignment: For stereo pairing, you can often visually assign which speaker is left and which is right within the app.
Battery Status:
- Precise Reading: Instead of just a generic LED indicator, the app will typically show a more precise battery percentage, helping you plan your listening sessions and recharges.
Device Information and Settings:
- Firmware Updates: This is critical. The app is usually the primary way to check for and install firmware updates for your speaker. These updates can bring performance improvements, bug fixes, new features, or enhanced compatibility. Keeping your speaker’s firmware updated is vital for optimal performance and longevity.
- Bluetooth Codec Selection: In some cases, the app might allow you to select a preferred Bluetooth audio codec e.g., SBC, AAC, though this is more common on higher-end devices.
- Auto Power Off: Customize settings for when the speaker automatically powers down after a period of inactivity to conserve battery.
- Device Name: Personalize the Bluetooth name of your speaker.
Podcast Source Selection:
- While the ULT FIELD 1 is primarily Bluetooth, if Sony adds other input methods in similar models, the app often provides a clear way to switch between them.

Why use the app? Compare Speakers

Granular Control: Go beyond basic on/off functions.
Enhanced User Experience: Visual interfaces are often easier to navigate.
Future-Proofing: Access to firmware updates keeps your speaker performing at its best and adds new features.
Troubleshooting: Sometimes, the app can offer basic diagnostic information.

For anyone serious about getting the most out of their Sony ULT FIELD 1, downloading and familiarizing yourself with the Sony | Podcast Center app is highly recommended. It unlocks a deeper level of customization and control that enhances the overall ownership experience.

Portability and Ergonomics: Designed for Life on the Go

Beyond the robust build and sound, true portability hinges on how easy and comfortable a device is to transport and use in various settings.

The Sony ULT FIELD 1 demonstrates thoughtful design in its dimensions, weight, and ergonomic features.

Compact Dimensions: Small Footprint, Big Sound

The ULT FIELD 1 is designed to be compact, making it easy to slip into bags or carry without being cumbersome. While exact dimensions vary slightly, it falls into the category of highly portable speakers.

Typical Dimensions Approx.: Around 8-10 inches in length, 3-4 inches in height/depth. This tube-like or slightly rectangular form factor is common for portable speakers as it efficiently houses drivers and passive radiators.
Space Saving: Its relatively small size means it won’t take up much room in a backpack, suitcase, or even a larger purse. It’s designed to fit into everyday scenarios.
Ease of Storage: Can be easily stored on a shelf, in a drawer, or a car’s glove compartment when not in use.

Lightweight Construction: No Burden to Carry

Complementing its compact size is its lightweight design. A speaker might be small, but if it’s heavy, it becomes a burden for extended carrying. The ULT FIELD 1 aims for a weight that makes it almost unnoticeable in your bag. DOSS SoundBox Plus

Typical Weight Approx.: Likely somewhere between 1 to 1.5 pounds 0.45 – 0.7 kg. This is light enough to carry for hours without fatigue.
Travel-Friendly: Doesn’t add significant weight to your travel luggage, making it a viable option for international trips or backpacking.
Child-Friendly: Light enough for older children to carry safely under adult supervision, of course.

Integrated Multi-Way Strap: The Ultimate Carrying Solution

As discussed earlier, the integrated multi-way strap is a cornerstone of the ULT FIELD 1’s ergonomic design. It’s not just a loop. it’s a versatile tool.

Carrying Options:
- Handheld: The strap provides a secure grip when carrying by hand.
- Wrist Carry: Can be looped around a wrist for added security against drops.
- Hanging: Attach it to a carabiner, hang it from a hook, a tent pole, or a tree branch. This elevates the speaker, often improving sound dispersion.
- Strapping: Secure it to a backpack, a bike handle, or even a boat railing.
Material: Usually made from a durable, flexible, and often non-slip material, providing both comfort and security.

Shape and Grip: Designed for Handling

The overall shape of the ULT FIELD 1 contributes to its ergonomics.

Rounded Edges: Speakers with rounded edges are typically more comfortable to hold and less likely to snag on clothing or bag linings.
Material Finish: Often features a rubberized or textured finish, which provides a better grip, reducing the chance of accidental slips, especially when hands are wet or sweaty. This is particularly important for an IP67-rated speaker designed for outdoor use.
Stable Placement: The design also ensures the speaker can be placed stably on various surfaces, whether flat or uneven, minimizing wobble and ensuring consistent sound projection.

In essence, the Sony ULT FIELD 1 isn’t just a tough box that plays sound.

It’s a carefully engineered device where every aspect of its physical design, from its size and weight to its integrated strap and tactile finish, is geared towards making it an effortless and enjoyable companion for any journey or activity.

Comparison with Competitors: Standing Out in a Crowded Field

The portable speaker market is saturated, with excellent options from various brands. Bowers & Wilkins Zeppelin 2021

The Sony ULT FIELD 1 enters this arena, bringing Sony’s audio expertise and a focus on powerful bass and durability.

Let’s see how it stacks up against some of its closest rivals.

Key Competitive Landscape

The main competitors for the Sony ULT FIELD 1 in the ~$100-$150 price range typically include:

JBL Flip series e.g., Flip 6: Known for vibrant sound, solid bass, and robust build.
Bose SoundLink Flex: Praised for its balanced audio, intelligent positioning, and sleek design.
Ultimate Ears BOOM/MEGABOOM series e.g., MEGABOOM 3: Famous for 360-degree sound, extreme durability, and often the ability to float.
Anker Soundcore Motion Boom Plus: Offers incredible volume, long battery life, and powerful bass for its price.
Marshall Emberton II: Appeals with its iconic retro design, Marshall’s signature sound, and impressive battery life.
Tribit StormBox Micro 2: A smaller, more budget-friendly option, but surprisingly capable for its size.

Sony ULT FIELD 1’s Strengths:

ULT Power Sound: This is its defining feature. While competitors offer bass boosts, Sony’s dedicated “ULT” mode is engineered for a deeper, more impactful low-frequency response and higher sound pressure from a compact speaker. For bass enthusiasts, this is a significant draw.
Robust Durability IP67 + Shockproof: Matching or exceeding many competitors, its IP67 rating for dust and water resistance, combined with shockproof construction, makes it genuinely adventure-ready.
Multi-Way Strap: A simple but effective design element that adds a lot of practical value for portability, offering versatile carrying and hanging options. Some competitors have straps, but Sony’s implementation is well-executed.
Sony Audio Heritage: Sony has a long-standing reputation for audio quality and engineering. While subjective, many users find Sony’s sound profile pleasing and well-balanced even outside of the ULT mode.

How it Compares on Key Metrics:

Sound Quality Standard Mode:
- Compared to JBL Flip 6: Both offer energetic sound. The Flip 6 is often praised for its balanced, clear sound with good bass for its size. The ULT FIELD 1 aims for clarity but leans slightly more into bass emphasis even in standard mode, before ULT is engaged.
- Compared to Bose SoundLink Flex: The Flex is renowned for its natural, balanced sound and excellent vocal clarity, often considered a benchmark for audio fidelity in this size. The ULT FIELD 1 might have more impactful bass, but the Flex could be perceived as more “accurate.”
- Compared to UE MEGABOOM 3: The MEGABOOM 3 offers 360-degree sound, which is excellent for filling a space evenly. The ULT FIELD 1 is more directional, but its ULT mode might offer a more concentrated bass punch.
Bass Performance ULT Mode vs. Competitors’ Bass Modes:
- The ULT FIELD 1 with ULT mode on will likely offer some of the most pronounced and impactful bass in its size class, potentially outperforming the standard bass response of most direct competitors, including the JBL Flip 6 and Bose Flex. The Anker Motion Boom Plus is a strong contender for sheer volume and bass, but it’s also a larger speaker.
Battery Life:
- At up to 12 hours, the ULT FIELD 1 is competitive. JBL Flip 6 offers 12 hours, Bose Flex offers 12 hours. Some larger speakers like the Anker Motion Boom Plus 20 hours or Marshall Emberton II 30+ hours significantly outlast it, but they are generally larger or more expensive.
Durability:
- IP67 rating is standard for this class of speaker, matched by JBL, Bose, and UE. The shockproof claim is a strong selling point, putting it in line with the most rugged options. UE speakers, with their floatability, often have a slight edge in extreme water scenarios.
Connectivity:
- Bluetooth 5.3 is bleeding-edge, potentially offering better stability than competitors still on Bluetooth 5.0 or 5.1. Stereo pairing is common across most brands.

Who is the ULT FIELD 1 Best For?

The Sony ULT FIELD 1 is particularly well-suited for:

Bass lovers: If a deep, punchy low-end is a priority, especially for genres like hip-hop, EDM, or pop, the ULT mode will satisfy.
Outdoor adventurers: Its superior durability IP67 + shockproof and practical multi-way strap make it ideal for beach trips, hikes, camping, and poolside lounging.
Those seeking a versatile portable speaker: It balances strong audio performance with ruggedness and easy portability, making it a great all-around choice.

While the market is indeed crowded, the ULT FIELD 1 carves out its niche by emphasizing powerful, deep bass through its unique ULT Power Sound, packaged in a highly durable and user-friendly design.

It stands as a strong contender, particularly for those who prioritize a robust bass experience and go-anywhere durability.

Frequently Asked Questions

What is the Sony ULT FIELD 1?

The Sony ULT FIELD 1 is a portable wireless speaker designed to deliver powerful sound, emphasizing deep bass through its “ULT Power Sound” feature, built into a compact and highly durable IP67 dustproof/waterproof, shockproof form factor.

What does “ULT Power Sound” mean on the ULT FIELD 1?

ULT Power Sound is Sony’s proprietary technology designed to enhance low-frequency response and increase sound pressure, providing a deeper, more impactful bass and a more dynamic audio experience, especially for bass-heavy podcast.

Is the Sony ULT FIELD 1 waterproof?

Yes, the Sony ULT FIELD 1 has an IP67 rating, meaning it is both dustproof and waterproof, capable of being immersed in up to 1 meter of water for 30 minutes.

Is the Sony ULT FIELD 1 shockproof?

Yes, the ULT FIELD 1 is designed to be shockproof and is tested to withstand drops, making it durable for outdoor and active use.

How long does the battery last on the ULT FIELD 1?

The Sony ULT FIELD 1 offers up to 12 hours of battery life on a single charge, though actual playback time can vary based on volume level and ULT Power Sound usage.

Does the ULT FIELD 1 have a microphone for calls?

Yes, the Sony ULT FIELD 1 includes a built-in microphone, allowing you to take hands-free calls directly through the speaker.

Can I connect two ULT FIELD 1 speakers together for stereo sound?

Yes, the ULT FIELD 1 supports a Stereo Pair function, allowing you to wirelessly connect two ULT FIELD 1 speakers to create a wider stereo soundstage.

What type of charging port does the ULT FIELD 1 use?

The Sony ULT FIELD 1 charges via a modern USB-C port, offering convenient and reversible connectivity.

Can I control the ULT FIELD 1 with a smartphone app?

Yes, you can use the Sony | Podcast Center app available for iOS and Android to access deeper controls, customize sound settings EQ, check battery status, and update firmware.

What Bluetooth version does the ULT FIELD 1 use?

The ULT FIELD 1 utilizes Bluetooth 5.3, which offers improved connection stability, lower latency, and enhanced power efficiency.

Is the ULT FIELD 1 good for outdoor use?

Yes, with its IP67 rating, shockproof design, and powerful ULT Power Sound, it is specifically built for outdoor adventures and environments.

What kind of strap does the ULT FIELD 1 have?

It features a multi-way strap that allows for versatile carrying options, such as hanging, carrying by hand, or strapping to a backpack.

Is the ULT FIELD 1 compatible with voice assistants like Siri or Google Assistant?

Yes, the built-in microphone allows you to access your smartphone’s voice assistant e.g., Siri or Google Assistant directly through the speaker.

Does the ULT FIELD 1 float in water?

While it is waterproof IP67, Sony does not typically advertise the ULT FIELD 1 as being able to float. Always check the official specifications.

How do I activate ULT Power Sound?

There is a dedicated “ULT” button on the speaker itself to easily toggle the ULT Power Sound mode on and off.

Is the bass too strong on the ULT FIELD 1?

The bass is significantly boosted when ULT Power Sound is active, but you can toggle this feature off for a more balanced sound profile if preferred.

Can I connect multiple ULT FIELD 1 speakers for a party?

While it supports Stereo Pair two speakers, check Sony’s specifications for “Party Connect” or similar features if you intend to link more than two speakers. Some Sony speakers support this.

What colors does the Sony ULT FIELD 1 come in?

The availability of colors typically includes black, off-white, forest gray, and orange, but this can vary by region and retailer.

Is the ULT FIELD 1 compatible with all Bluetooth devices?

Yes, it is compatible with any device that supports Bluetooth audio streaming, including smartphones, tablets, and most laptops.

How heavy is the ULT FIELD 1?

It is designed to be lightweight, typically weighing around 1 to 1.5 pounds 0.45 – 0.7 kg, making it easy to carry.

Can I use the ULT FIELD 1 while it’s charging?

Yes, you can typically use the speaker while it is connected to a power source and charging.

Does the ULT FIELD 1 have an AUX input?

No, the Sony ULT FIELD 1 primarily relies on Bluetooth for audio input and does not typically feature a 3.5mm AUX input jack.

What kind of sound quality can I expect from the ULT FIELD 1?

Expect clear highs and mids with a solid bass foundation, which becomes significantly more powerful and impactful when the ULT Power Sound feature is activated.

How durable are the controls on the ULT FIELD 1?

The physical buttons are typically robust and designed to withstand repeated presses and exposure to the elements, consistent with the speaker’s overall durable build.

How does the ULT FIELD 1 compare to the JBL Flip 6?

Both are durable and portable.

The ULT FIELD 1 emphasizes deeper bass with its ULT mode, while the JBL Flip 6 is known for its balanced, energetic sound and strong bass for its size.

How does the ULT FIELD 1 compare to the Bose SoundLink Flex?

The Bose SoundLink Flex is highly regarded for its natural, balanced sound and intelligent audio positioning.

The ULT FIELD 1 provides a more bass-forward experience, especially with ULT mode on, and similar ruggedness.

Is the ULT FIELD 1 good for podcasts and audiobooks?

Yes, when ULT Power Sound is off, the speaker provides clear vocal reproduction, making it suitable for podcasts and audiobooks.

How far can the Bluetooth connection reach?

The Bluetooth 5.3 connection typically offers a range of up to 30-50 feet 10-15 meters in open areas, though this can be affected by obstacles and interference.

Does the ULT FIELD 1 automatically turn off?

Yes, it likely has an auto power-off feature to conserve battery life when no audio is playing or no device is connected for a certain period. This can often be customized via the app.

Is firmware updating important for the ULT FIELD 1?

Yes, regular firmware updates via the Sony | Podcast Center app are crucial as they can provide performance improvements, bug fixes, and sometimes even new features.

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