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Sony ULT FIELD 7

SonyParty wireless speaker

ULT FIELD 7

Released April 2024.2Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release states ULT FIELD 7 is available beginning Spring 2024. April 2024 is the month of the announcement. The exact retail month is not stated. Last checked 21 October 2026.

Rated audio power
Not available
Playback time (claimed)
30h
Dust and water rating
IP67
Weight
6,300g

49 of 96 fields known.

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At a glance

Ports

  • AC power
  • USB-A
  • 3.5 mm audio
  • 6.35 mm audio

All specs

SourceCalculated

General

Series
ULT POWER SOUND2Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release launches the ULT POWER SOUND series with ULT FIELD 7 in it.
Model numbers
SRS-ULT70, YY7858E1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide cover states Model YY7858E and the guide lists SRS-ULT70 as the model name. The guide is titled ULT FIELD 7.
GTIN / EAN
Not available
Announced
11 April 20242Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release dated April 11, 2024.
Status
Not available
Predecessor
Not available
Successor
Not available
Launch price (US)
$4992Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Suggested retail price $499 USD and $599 CAD at Sony.com, Amazon, Best Buy and other dealers.
Launch price (EU)
€4497Press articlegiga.de/news/sony-ult-lautsprecher-kopfhoerer-2024-rabattRead 10 October 2026Giga article on the April 2024 ULT launch gives the German list price (UVP) as EUR 449. MediaMarkt Austria shows a UVP of EUR 499.99, which may be a later or regional list price. Sony Europe press release was not readable. Includes VAT.
Markets
US, CA2Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release is for the US and Canada.
Colours
Black4Retailer pageamazon.com/dp/B0CXL5P51QRead 10 October 2026Amazon US listing for Sony ULT Field 7 in Black. The listing shows currently unavailable on the accessed date, so status is not stored.
Speaker type
Party2Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release says ULT FIELD 7 lets listeners bring the party anywhere with a mic port for karaoke.

Audio

Audio channels
Not available
Audio drivers
Driver typeCountDiameter (mm)Width (mm)Height (mm)
Woofer2Not available114114
Tweeter246Not availableNot available
Source1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications: 2-way with passive radiator. Woofer unit about 114 mm x 114 mm (4.5 in x 4.5 in), 2 units. Tweeter unit about 46 mm diameter, 2 units. The help guide does not give the passive radiator count. Sony Japan lists 2.
Passive radiators
25Maker product pagesony.jp/active-speaker/products/ULT_FIELD7/spec.htmlRead 10 October 2026Specification table (Japanese) lists passive radiator units as 2.
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
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide states users can adjust an equalizer in Sony | Music Center.
Equalizer bands
73Reviewsoundguys.com/sony-ult-field-7-review-is-this-the-best-portable-party-speaker-138823Read 10 October 2026Review states the customizable 7-band custom EQ in the Sony Sound Connect app.
Automatic sound adjustment
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Sound Field Optimization uses microphone sensing to detect surrounding noise and adjust the sound. It is on at purchase and switches off in Stereo Pair or Party Connect.
Sound modes
ULT1, ULT2, STAMINA1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026ULT button cycles ULT1 for deep bass, ULT2 for more power and off. The STAMINA power option turns off lighting and sound effects to save battery. No STAMINA playtime is published.
Wireless stereo pairing
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Stereo Pair uses two speakers, one left and one right.
Speaker link protocols
Party Connect, Stereo Pair1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide names the Stereo Pair and Party Connect functions.2Press releasesony.mediaroom.com/2024-04-11-Sony-Electronics-Introduces-ULT-POWER-SOUND-R-,-A-New-Series-of-Speakers-and-Headphones-to-bring-Massive-Bass-and-the-Ultimate-VibeRead 10 October 2026Press release says users can link up to 100 compatible speakers through Party Connect.
Max linked speakers
1001Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Party Connect links up to 100 compatible speakers over Bluetooth. Stereo Pair and Party Connect cannot be combined with multipoint.
Max Bluetooth group speakers
1001Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Party Connect section says up to 100 compatible speakers can be connected over Bluetooth. Compatible models: LSPX-S3, SRS-XP700, XP500, XG500, XG300, XB43, XB33, XB23, XE300, XE200, XV900, XV800, XV500, ULT FIELD 7 and ULT TOWER 10. Every speaker needs the latest pre-installed software. Wireless Party Chain devices are excluded. Whether the 100 includes the first speaker is not stated.

Connectivity

Bluetooth audio playback
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026
Bluetooth version
5.21Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide states Bluetooth standard version 5.2. SoundGuys lists 5.3. The maker guide is used.
Bluetooth codecs
SBC, AAC, LDAC1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide states the speaker supports SBC, AAC and LDAC for music playback over A2DP. SoundGuys mentions only SBC and AAC. The maker guide is used.
Bluetooth profiles
A2DP, AVRCP, SPP1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide lists A2DP and AVRCP.5Maker product pagesony.jp/active-speaker/products/ULT_FIELD7/spec.htmlRead 10 October 2026Specification table lists A2DP, AVRCP and SPP. Sony Singapore lists the same three profiles. The help guide lists A2DP and AVRCP. SPP is likely used for firmware updates, as Sony states for other models.6Maker product pagestore.sony.com.sg/blogs/8147834339483_45090312290459/8147834339483__specificationsRead 10 October 2026Specification page lists compatible profiles A2DP, AVRCP and SPP.
Bluetooth LE Audio
Not available
Auracast
Not available
Multipoint
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide describes connecting concurrently with 2 Bluetooth devices. It is off in Stereo Pair or Party Connect.
Multipoint source devices
21Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Up to 2 Bluetooth devices at once.
Bluetooth range (claimed)
30m1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Maximum communication range about 30 m (98.4 ft).
Wi-Fi
Not available
Wi-Fi standards
Not available
Network audio protocols
Not available
USB audio input
Not available
USB drive playback
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide describes playback from a USB Mass Storage Class device on the PLAY/CHARGE OUTPUT port.
USB audio file formats
MP3, WMA, WAV1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Supported audio file formats are MP3, WMA and WAV.
Ports
ConnectorCountRole
AC power1AC power input
USB-A1USB storage playback and charging output for other devices
3.5 mm audio1Audio input
6.35 mm audio1Microphone and guitar input
Source1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Parts list: AC input jack, PLAY/CHARGE OUTPUT USB Type A port, AUDIO IN 3.5 mm jack and MIC/GUITAR 6.3 mm jack. The USB port is DC 5 V, max 1.5 A output for charging other devices.

Controls and software

Speakerphone
No3Reviewsoundguys.com/sony-ult-field-7-review-is-this-the-best-portable-party-speaker-138823Read 10 October 2026Review FAQ states the speaker does not contain a built-in microphone for phone calls. The help guide lists no call function.
Voice assistants
Not available
Controls
Power, Bluetooth pairing, Play/pause, Volume up/down, ULT sound mode, Lighting, Battery level and Battery Care, Key control, Echo, Guitar mode, Microphone and guitar level1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Parts list: power, Bluetooth, play, volume minus and plus, ULT, light, battery and battery care, key control, echo, guitar buttons and the mic and guitar level knob.
Companion app
Sony | Sound Connect1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide says the speaker is compatible with Sony | Sound Connect since April 2025. It also works with Sony | Music Center and the Fiestable app for karaoke, DJ effects and lighting.
App platforms
iOS, Android1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide links Google Play and the App Store for the apps.
User firmware updates
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide has an Updating the pre-installed software section.
Built-in lighting
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide describes the speaker lights that light up with the music, a LIGHT button and lighting modes in the apps.
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
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list a built-in lithium-ion battery.
Playback time (claimed)
30h1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide: about 30 hours at volume level 16 with ULT1/2 on and lighting off. About 25 hours with lighting on and about 3 hours at maximum volume 50 with lighting on. Measured with a Sony specified music source.
Playback with battery extension (claimed)
Not available
Battery energy
Not available
Battery capacity
Not available
Nominal battery voltage
Not available
Battery chemistry
Lithium-ion1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list a built-in lithium-ion battery.
User-replaceable battery
Not available
Full charge time
5h1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide: charging completes in about 5 hours from empty with the speaker turned off.
Quick charge duration
10min1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide: 10 minutes of charging gives about 3 hours of playback.
Playback after quick charge
3h1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide: about 3 hours of music playback after 10 minutes of charging at volume level 16, ULT1/2 on, lighting off.
Charging input rating
AC 120 V, 60 Hz in North America. AC 120 V to 240 V, 50/60 Hz in other regions1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list the AC input by region. The battery charges from the AC input. SoundGuys states charging is by AC only.
Max charging input
Not available
USB Power Delivery charging
Not available
Charges other devices
Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide describes charging a smartphone or other USB device from the PLAY/CHARGE OUTPUT port. Output is DC 5 V, max 1.5 A.
Max power-bank output
Not available
Wireless charging
Not available

Durability

Dust and water rating
IP671Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Help guide states waterproof specification IPX7 and dustproof specification IP6X with the cap closed. The press release footnote says IP67 water resistant and IP5X dustproof. The guide is used.
Floats
Not available
Drop resistance
Not available
Drop test height
Not available
Carry features
Carry handles1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Parts list names handles.

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
Width512Height224Depth222mm(20.2 × 8.8 × 8.7 in)1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list about 512 mm x 224 mm x 222 mm (w/h/d) including projecting parts and controls. SoundGuys lists 571 x 226 x 304 mm. The maker figure is used.
Weight
6,300g(13.9 lb)1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list mass of about 6.3 kg including battery. Amazon also lists 6.3 kg.
Body materials
Hard plastic, Fabric grille5Maker product pagesony.jp/active-speaker/products/ULT_FIELD7/spec.htmlRead 10 October 2026Specification table lists the grille net material as fabric. Tom's Guide describes the body as hard plastic wrapped in rugged mesh weaving.8Reviewtomsguide.com/audio/speakers/sony-ult-field-7Read 10 October 2026Review describes a cylindrical design wrapped in hard plastic and rugged mesh weaving.

Certifications

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

In the box

We could not find any of these 1 fields. Show them
In the box
Not available

Warranty

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

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