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Sony ULT Field 3 Black — Review & Specs | Pricepect | Pricepect

Home Portable Bluetooth SpeakersSony ULT Field 3 Black

Sony ULT Field 3 Black — image 1

Sony

Sony ULT Field 3 Black

Expert Review Analysis

Sony's ULT FIELD series offers rugged, IP67‑rated portable Bluetooth speakers with powerful bass‑boost via the ULT button, long battery life, and party‑centric features like 360° lights and multi‑speaker Party Connect linking.

✓ Best for: Ideal for party‑goers, outdoor enthusiasts, and bass lovers who need rugged, long‑lasting sound with visual effects; perfect for beach or pool parties, camping trips, tailgate gatherings, and karaoke sessions using the mic/guitar inputs on larger models.✗ Not ideal for: Not suited for users prioritizing ultra‑lightweight portability, audiophiles seeking studio‑grade fidelity, or anyone needing flawless audio‑video sync for movie watching.

Pros

✓Powerful bass boost via ULT button with three selectable modes for deep low‑frequency impact.
✓IP67 waterproof and dustproof construction makes the speakers suitable for pool, beach, and rugged outdoor use.
✓Long battery life ranging from 12 up to 30 hours depending on model and usage, enabling extended parties.

Price History

Current

$142.95

Average

$156.53

Lowest

$135.56

Highest

$199.99

Good Deal — 9% below average

Price trend (90d):-2.7%

Best Seller Rank History

Now#68Best#49Worst#1,613 +375

Lower = better sales rank

Rating Trend

Rating4.6/ 5Reviews3,068+645 reviews

Specifications

Battery

Battery Life24 hours minutes

Charging Time10 minutes (to 120 minutes playback) minutes

Connectivity

Bluetooth VersionSupported

Controls

ULT ButtonBass boost (3 modes)

Connect ButtonSpeaker linking

Features

Shoulder StrapIncluded

Party ConnectSupported

ShockproofYes

RustproofYes

General

BrandSony

ModelSRSULT30B

ColorBlack

Release Date2025-04-10

Warranty1 year

Audio

10‑band EQ (FIELD 5)Customizable equalizer with ten frequency bands via Sony Music Center app

7‑band EQ (FIELD 7)Seven‑band equalizer for fine‑tuned sound shaping

Hardware

X‑Balanced unitIntegrated X‑Balanced driver system in FIELD 7 for enhanced pressure and clarity

Inputs

Guitar/Mic inputsDedicated ¼‑inch inputs on FIELD 7 for karaoke and instrument connection

Dimensions & Weight

Height4.5 inches

Width10.1 inches

Depth3.1 inches

Weight2.69 Pounds

Research Sources

skybygramophone.com

videoandaudiocenter.com

electronics.sony.com

electronics.sony.com

electronics.sony.com

electronics.sony.com

helpguide.sony.net

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User Reviews

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4.6

(3,020 reviews)

$142.95$209.9932% off

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SRSULT30B.UCBlack 1 year

Portable Bluetooth Speakers

✓Integrated party lighting and 360° illumination adds visual excitement to gatherings.

✓Multi‑speaker Party Connect technology allows linking up to 100 speakers for immersive soundscapes.

✓Detachable shoulder straps and multi‑way carrying options enhance portability for travel and adventure.

Cons

✗Battery runtime drops sharply when ULT boost is set to maximum or volume is high, reducing advertised hours.
✗Larger models such as FIELD 7 are heavy (over 6 kg), limiting true portability for solo users.
✗Some users experience occasional Bluetooth pairing glitches or limited simultaneous connections.
✗Audio‑video sync issues have been reported when using the speaker for movie playback.
✗Mic quality for hands‑free calls is average and may not satisfy users needing clear voice transmission.

From Expert Reviews

Praised by Experts

✓CNET highlighted the FIELD 5 as the best mid‑range Bluetooth speaker of 2025, citing its powerful ULT bass and 25‑hour battery life.
✓Professional editors praised the 10‑band EQ and customizable sound settings via Sony’s Music Center app.
✓Reviewers noted the IP67 rating and rugged build as ideal for outdoor party environments.
✓The extensive Party Connect linking up to 100 speakers was commended for large‑scale event flexibility.

Criticized by Experts

✗Editors cautioned that real‑world battery life varies with temperature and volume, making the 30‑hour claim optimistic.
✗The FIELD 7’s 6.3 kg weight was criticized as too heavy for easy transport compared to competing portable speakers.
✗Professional tests reported occasional audio‑video synchronization problems when the speaker is used for movies.

From User Reviews

Users Love

✓Users rave about the deep, booming bass that the ULT button adds, delivering club‑like low end in a portable unit.
✓The IP67 waterproof rating and shock‑proof design are praised for surviving pool parties and rugged outdoor adventures.
✓Long battery life at moderate volumes lets users enjoy continuous music for days without recharging.
✓Built‑in party lights and easy Bluetooth pairing are highlighted as fun features for casual home gatherings.
✓Detachable shoulder straps make the speaker easy to carry on hikes, camping trips, and tailgate events.

Users Complain About

✗Customers report that battery drains quickly when the ULT boost is maxed out or volume is set high, shortening playtime.
✗Heavier models, especially the FIELD 7, are considered cumbersome and less portable for solo users.
✗Some buyers experience intermittent Bluetooth connectivity issues, requiring repeated pairing attempts.
✗The built‑in microphone provides only average call quality, which some users find unsatisfactory.
✗Occasional lag or sync problems when streaming video content have been noted by users.

Expert Opinion

Professional reviewers commend the ULT FIELD series for its industry‑leading bass boost, robust IP67 durability, and versatile Party Connect system, while noting that battery life is condition‑dependent and the larger FIELD 7 model is notably heavy for a portable speaker.

What Users Say

Everyday users love the deep, booming bass, long battery life, and rugged waterproof design, often highlighting the fun party lights and easy portability; recurring complaints focus on reduced battery runtime at high performance settings, occasional Bluetooth glitches, and the weight of the biggest model.

Common Complaints

Battery drains faster than advertised when ULT boost or high volume is used, intermittent Bluetooth pairing issues, heavy weight of larger models, and occasional audio‑video synchronization problems.

What People Are Saying

“No cons reported,”
5/5 ★Best BuyNov 2025

“deep, booming bass”
5/5 ★User reviewOct 2025

How It Compares

vs. JBL Charge 5

Advantages

✓Sony provides deeper bass boost with three ULT modes versus JBL's single bass setting.
✓Party Connect can link up to 100 speakers, far exceeding JBL's PartyBoost capacity.

Disadvantages

✗Sony's FIELD 7 weighs over 6 kg, making it considerably heavier than the sub‑2 kg JBL Charge 5.
✗JBL offers a built‑in power bank feature for charging devices, which Sony lacks.

Choose Sony for massive bass and large‑scale party linking; choose JBL for lighter, more portable use and device charging.

vs. Bose SoundLink Flex

Advantages

✓Sony’s IP67 rating and rugged shockproof design surpass Bose's less robust build.
✓The 10‑band EQ on Sony FIELD 5 offers far more sound customization than Bose's preset EQ.

Disadvantages

✗Bose SoundLink Flex is under 1 kg, making it far easier to carry than Sony's heavier models.
✗Bose provides a more reliable Bluetooth connection with fewer reported glitches.

Select Sony for durability, bass power, and advanced EQ; select Bose for ultra‑lightweight portability and stable connectivity.

vs. UE MEGABOOM 3

Advantages

✓Sony’s Party Connect can synchronize up to 100 speakers, outmatching UE's PartyUp limit of 150 but with more stable integration across Sony devices.
✓The FIELD 7 includes guitar/mic inputs for karaoke, a feature not offered by UE MEGABOOM 3.

Disadvantages

✗UE MEGABOOM 3 is floatable and lighter, making it more suitable for water‑based activities.
✗Sony’s larger models are heavier and bulkier than UE's compact design.

Opt for Sony when you need extensive speaker linking and instrument inputs; opt for UE when you prioritize lightweight, floatable speakers for poolside use.

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