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Sony ULT FIELD 5

SonyPortable wireless speaker

ULT FIELD 5

Released April 2025.1Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026Available now in the US on April 9, 2025. Last checked 21 October 2026.

Rated audio power
Not available
Playback time (claimed)
25h
Dust and water rating
IP66, IP67
Weight
3,300g

55 of 96 fields known.

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At a glance

Ports

  • USB-C
  • 3.5 mm audio

All specs

SourceCalculated

General

Series
ULT POWER SOUND1Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026
Model numbers
SRS-ULT50, YY7859E4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
GTIN / EAN
Not available
Announced
9 April 20251Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026
Status
Available2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
$329.991Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026US suggested retail price at launch, excluding tax.
Launch price (EU)
€2997Press releasesony.de/presscentre/sony-erweitert-die-ult-power-sound-serie-um-drei-neue-lautsprecher-und-zelebriert-den-launch-in-kooperation-mit-dem-superstar-post-malone-c07f7bRead 8 October 2026German launch UVP including VAT. FIELD 5 is explicitly 299 Euro. Regional euro release prices vary.
Markets
US, CA1Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026
Colours
Black, Off White1Press releasesony.mediaroom.com/2025-04-09-Sony-Electronics-Introduces-Three-New-Speakers-in-the-ULT-POWER-SOUND-Range-Featuring-Global-Superstar-Post-MaloneRead 8 October 2026
Speaker type
Portable2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

Audio

Audio channels
Stereo6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026
Audio drivers
Driver typeCountDiameter (mm)
Woofer1Not available
Tweeter246
Source4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Specifications. Woofer rectangular dimensions have no axis labels and are omitted. Tweeter diameters are approximate.
Passive radiators
25Reviewsoundguys.com/sony-ult-field-5-review-party-ready-but-with-room-to-improve-135558Read 8 October 2026
Rated audio power
Not available
Rated audio power on mains
Not available
Audio output power (unspecified rating)
Not available
Peak audio power
Not available
Frequency response lower limit (claimed)
Not available
Frequency response upper limit (claimed)
Not available
Signal-to-noise ratio (claimed)
Not available
Adjustable equalizer
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Equalizer bands
103Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026
Automatic sound adjustment
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Sound Field Optimization adapts to playback conditions and environment. Disabled with Stereo Pair or Party Connect.
Sound modes
ULT1, ULT2, Custom EQ, STAMINA4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026STAMINA disables sound effects including ULT. No claimed STAMINA runtime is stated.
Wireless stereo pairing
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Speaker link protocols
Party Connect4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Party Connect supports compatible Sony speakers. Compatibility may require current firmware. It is distinct from Wireless Party Chain.
Max linked speakers
1004Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Party Connect section. Up to 100 physical speakers in one compatible group, including the first speaker.
Max Bluetooth group speakers
Not available

Connectivity

Bluetooth audio playback
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Bluetooth version
5.34Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026About the BLUETOOTH wireless technology. FIELD 3 states version 5.2, despite the SoundGuys review stating 5.3.
Bluetooth codecs
SBC, AAC, LDAC4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Bluetooth profiles
A2DP, AVRCP, SPP3Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026
Bluetooth LE Audio
Not available
Auracast
Not available
Multipoint
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Multipoint source devices
24Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Bluetooth range (claimed)
30m4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026About 30 m. Obstacles and radio interference reduce this distance.
Wi-Fi
No6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026
Wi-Fi standards
Not available
Network audio protocols
Not available
USB audio input
No4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Parts and controls explicitly state that USB-C is not compatible with music playback.
USB drive playback
No4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026The only USB port is documented as incompatible with music playback.
USB audio file formats
Not available
Ports
ConnectorCountRole
USB-C1Charging input and power-bank output
3.5 mm audio1Stereo audio input
Source4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

Controls and software

Speakerphone
No6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026Public speakerphone cell states No. Voice assistant verdict says there is no microphone for voice assistance. SoundGuys control table call row is not used.
Voice assistants
Not available
Controls
Power, Bluetooth pairing, Play/pause, Volume, ULT sound mode, Speaker linking, Battery level and battery care, Lighting4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Companion app
Sony | Sound Connect4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
App platforms
Android, iOS4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
User firmware updates
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Built-in lighting
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Lighting modes
Not available

Smart home

We could not find any of these 3 fields. Show them
Matter controller
Not available
Thread border router
Not available
Zigbee hub
Not available

Battery and charging

Built-in battery
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Playback time (claimed)
25h4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Charging the speaker, pp. 12-13. Approximate 25 h, Bluetooth, volume 18/50, ULT1/2 on, lights off, Battery Care off. With lights on at the same volume the claim is 10 h. Maximum volume with lights is 2.5 h.
Playback with battery extension (claimed)
Not available
Battery energy
Not available
Battery capacity
Not available
Nominal battery voltage
Not available
Battery chemistry
Lithium-ion4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
User-replaceable battery
Not available
Full charge time
3.5h4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Charging the speaker. About 3.5 h from empty to full, speaker off, Battery Care off, using USB PD 9 V/3 A adapter.
Quick charge duration
10min4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Playback after quick charge
1.67h4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Charging the speaker. 100 minutes at volume 18/50, ULT1/2 on, lights off. Battery Care off, USB PD 9 V/3 A adapter.
Charging input rating
5 V DC, 3 A or 9 V DC, 3 A4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Max charging input
Not available
USB Power Delivery charging
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026
Charges other devices
Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Specifications. USB-C DC output 5 V, maximum 1.5 A. Output wattage is not explicitly published.
Max power-bank output
Not available
Wireless charging
Not available

Durability

Dust and water rating
IP66, IP673Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026Requires the cap to be securely closed. Accessories and exposed connectors are not water or dust resistant.
Floats
Yes6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026Public intro and outdoor verdict explicitly state it floats.
Drop resistance
Not available
Drop test height
Not available
Carry features
Detachable shoulder strap2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

Measured

We could not find any of these 6 fields. Show them
Playback time (measured)
Not available
Max sound pressure (measured)
Not available
Low-frequency extension (measured)
Not available
High-frequency extension (measured)
Not available
Audio latency (measured)
Not available
Full charge time (measured)
Not available

Dimensions and weight

Front and side, drawn to scale.

Dimensions
Width320Height144Depth125mm(12.6 × 5.7 × 4.9 in)4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Specifications. Approximate W × H × D, including projecting parts and controls.
Weight
3,300g(7.3 lb)4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026Specifications. Approximate mass including battery.
Body materials
Fabric grille, Plastic body5Reviewsoundguys.com/sony-ult-field-5-review-party-ready-but-with-room-to-improve-135558Read 8 October 2026

Certifications

We could not find any of these 2 fields. Show them
FCC IDs
Not available
Other certifications
Not available

In the box

In the box
Speaker, USB-C to USB-C cable, Shoulder strap3Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026

Warranty

We could not find any of these 1 fields. Show them
Manufacturer warranty (source market)
Not available

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Sources

We read 7 sources for this wireless speaker. The numbers match the markers in the sheet.

  1. Read 8 October 2026Backs 6 fields
  2. Read 8 October 2026Backs 4 fields
  3. Read 8 October 2026Backs 5 fields
  4. Read 8 October 2026Backs 34 fields
  5. Read 8 October 2026Backs 2 fields
  6. Read 8 October 2026Backs 4 fields
  7. Read 8 October 2026Backs 1 field

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