TV and audio / Wireless speakers
SonyParty wireless speaker
ULT TOWER 7
Released September 2026.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Available from September 2026 through Sony.com, Best Buy, Amazon and other authorized dealers.. Japan followed on 2026-09-18 per hifi.fan. The month is 2026-09. Last checked 21 October 2026.
- Rated audio power
- Not available
- Playback time (claimed)
- 30h
- Dust and water rating
- IPX4
- Weight
- 22,800g
55 of 96 fields known.
At a glance
Ports
- AC power
- USB-A
- USB-C
- 6.35 mm audio
- RCA
- 2 Other
General
- Model numbers
- SRS-ULT700, YY7871E1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Quick Start Guide page: Model YY7871E, SRS-ULT700.3Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026Model number SRSULT700, the Sony US part number.
- GTIN / EAN
- 0272429350133Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026UPC 027242935013.
- Status
- Available2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Available from September 2026 per the release. Routenote and ChannelNews report orders open in September.3Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026Listed with price and rebate. The page shows no stock status.7Press articleroutenote.com/blog/sony-ult-tower-max-7-5-party-speakersRead 20 October 2026Article of 2026-09-16: available to order from Amazon now.9Press articlechannelnews.com.au/sony-turns-up-the-bass-with-new-ult-tower-party-speaker-lineRead 20 October 2026Article: the range is available now.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- $649.992Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Suggested retail price USD 649.99 (CAD 799.99). US list prices exclude tax.4Press articlesoundguys.com/sony-ult-power-sound-wireless-speakers-2026-162263Read 20 October 2026Article of 2026-09-01: ULT Tower 7 MSRP USD 649.99.10Reviewtechradar.com/audio/wireless-bluetooth-speakers/sony-ult-tower-7-reviewRead 20 October 2026Review lists USD 649.99, GBP 499 and AUD 799.
- Launch price (EU)
- €6005Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review of 2026-10-04 lists EUR 600 as MSRP. LB Tech Reviews lists EUR 599 as the suggested price. Neither names a country. The maker's German price was not found.6Press articlegagadget.com/en/724224-sonys-new-ult-tower-speakers-go-from-450-party-starter-to-2150w-beastRead 20 October 2026Article of 2026-09-02 lists ULT TOWER 7 at EUR 600 and USD 649.99, from Sony's launch material. Stereo Guide also lists EUR 600 as MSRP. The country is not named.
- Markets
- US, AU, JP2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026US availability through Sony.com, Best Buy, Amazon and authorized dealers.3Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026US retailer. Regular price USD 649.99, shown with a USD 100 rebate until 2026-11-01.8Press articlehifi.fan/stories/sony-announces-ult-tower-7-bluetooth-speaker-with-deep-bass-and-portable-designRead 20 October 2026Article of 2026-09-02: release in Japan on 2026-09-18 at an estimated market price of about 85,000 yen.9Press articlechannelnews.com.au/sony-turns-up-the-bass-with-new-ult-tower-party-speaker-lineRead 20 October 2026Article of 2026-09-15: ULT Tower 7 at AUD 799 in Australia.
Audio
- Audio channels
- Not available
- Audio drivers
Driver type Count Diameter (mm) Woofer 1 280 Midrange 2 120 Front tweeter 2 50 Rear tweeter 2 40 Source1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Specifications, Speaker section: 3-way, bass reflex. Woofer unit approximately 280 mm diameter (1), midrange unit approximately 120 mm (2), tweeter unit approximately 50 mm (2), tweeter unit approximately 40 mm (2). The guide does not say which tweeters face the front. hifi.fan says two 50 mm tweeters face the front and two 40 mm tweeters face the rear. No per-driver power is published. The cabinet is bass reflex, so no passive radiator is stored.7Press articleroutenote.com/blog/sony-ult-tower-max-7-5-party-speakersRead 20 October 2026Article: one 280 mm circular woofer, two mid-range drivers and four tweeters. This agrees with the Help Guide.8Press articlehifi.fan/stories/sony-announces-ult-tower-7-bluetooth-speaker-with-deep-bass-and-portable-designRead 20 October 2026Article: one 280 mm circular woofer, one 120 mm midrange and four tweeters, two 50 mm at the front and two 40 mm at the rear. It says one midrange. The Help Guide, Stereo Guide and Routenote say two midrange drivers, so the guide count is stored.10Reviewtechradar.com/audio/wireless-bluetooth-speakers/sony-ult-tower-7-reviewRead 20 October 2026Spec table: 1x 280 mm woofer, 2x 120 mm mid-range and 4x 50 mm tweeters including 2 rear-facing. The maker's Help Guide gives two 50 mm and two 40 mm tweeters, so the guide sizes are stored.- Passive radiators
- Not available
- Rated audio power
- Not available
- Rated audio power on mains
- Not available
- Audio output power (unspecified rating)
- 420W5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: amplifier up to 420 W, and the article notes this is not listed on the product page as RMS continuous power. Routenote's copy of Sony's launch material also says up to 420 W. No basis is stated, so the value goes in the unspecified-rating field.6Press articlegagadget.com/en/724224-sonys-new-ult-tower-speakers-go-from-450-party-starter-to-2150w-beastRead 20 October 2026Article lists output power 420 W for ULT TOWER 7.7Press articleroutenote.com/blog/sony-ult-tower-max-7-5-party-speakersRead 20 October 2026Article of 2026-09-16: ULT TOWER 7 with up to 420 W of output. No basis stated.
- 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
- Equalizer bands
- 103Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 202610-band equalizer through the Sony | Sound Connect app. SoundGuys and Stereo Guide also say 10 bands. The Help Guide gives no band count.4Press articlesoundguys.com/sony-ult-power-sound-wireless-speakers-2026-162263Read 20 October 2026Lineup has a 10-band EQ.5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: 10-band equalizer in the Sony Sound Connect app.
- Sound modes
- ULT1, ULT2, FLAT, LIVE1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026ULT button cycles ULT1, ULT2 and FLAT. ULT1 emphasizes deep bass and ULT2 emphasizes power. LIVE is added by Sony's release and hifi.fan, and must be selected or assigned in the Sound Connect app.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026ULT button offers ULT1, ULT2, FLAT and LIVE. LIVE recreates the spacious feel of a live performance and is selected or assigned in the Sound Connect app.8Press articlehifi.fan/stories/sony-announces-ult-tower-7-bluetooth-speaker-with-deep-bass-and-portable-designRead 20 October 2026Article: ULT1, ULT2, FLAT and LIVE. LIVE must be enabled in the Sound Connect app.
- Wireless stereo pairing
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Stereo Pair needs 2 ULT TOWER 7 units connected over Bluetooth. One speaker plays the left channel and the other the right channel.
- Speaker link protocols
- Party Chain, Stereo Pair1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Stereo Pair and Party Chain. Party Chain cannot be used while Stereo Pair is active. Devices that support the Wireless Party Chain or Party Connect functions are not applicable for connection.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Party Chain, and a stereo configuration of two speakers.
Connectivity
- Bluetooth audio playback
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 20265Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026
- Bluetooth version
- 5.33Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026Spec copy of the Sony page: Bluetooth 5.3 with SBC, AAC and LDAC. The Sony Help Guide for this model does not print a Bluetooth version. Stereo Guide and LB Tech Reviews also give 5.3.5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: Bluetooth 5.3.10Reviewtechradar.com/audio/wireless-bluetooth-speakers/sony-ult-tower-7-reviewRead 20 October 2026Spec table: Bluetooth 5.3.
- Bluetooth codecs
- SBC, AAC, LDAC1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Supported codecs: SBC, AAC and LDAC for music playback via an A2DP connection.5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: SBC, AAC and LDAC.
- Bluetooth profiles
- A2DP, AVRCP1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Listening to music via a BLUETOOTH connection: A2DP and AVRCP.
- Bluetooth LE Audio
- Not available
- Auracast
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Party Chain uses the Auracast broadcast for connection. The speaker connected to the playback device broadcasts the music and the other speakers receive it. Sony does not say whether other Auracast devices can join.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Party Chain uses Auracast broadcast to connect multiple compatible Sony speakers and synchronizes music and lighting.5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: Auracast supported via Party Chain for syncing up to 100 compatible Sony speakers. LE Audio is not mentioned.
- Multipoint
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026You can connect the speaker concurrently with up to 2 BLUETOOTH devices (multipoint connection).5Reviewstereoguide.com/bluetooth-speakers/mobile-outdoor/sony-ult-tower-7-reviewRead 20 October 2026Review: multipoint supported.
- Multipoint source devices
- 21Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Up to 2 BLUETOOTH devices at the same time.
- Bluetooth range (claimed)
- 30m1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026About 30 m (98.4 ft) maximum communication range, line of sight. It shortens with obstacles and 2.4 GHz interference.
- Wi-Fi
- Not available
- Wi-Fi standards
- Not available
- Network audio protocols
- Not available
- USB audio file formats
- MP3, WMA, WAV1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Supported audio file formats from USB-A: MP3 [.mp3], WMA [.wma] and WAV [.wav].
- Ports
Connector Count Role AC power 1 AC input jack behind the rear cap USB-A 1 USB storage playback and charging output for other devices, 5 V / 1.5 A maximum USB-C 1 USB audio input from a computer or smartphone and charging output for other devices, 5 V / 1.5 A maximum 6.35 mm audio 1 MIC jack for a dynamic microphone RCA 1 LINE 1 audio input for a DJ device Other 1 LINE 2 XLR balanced audio input for a DJ device Other 1 LINE OUT XLR audio output to the LINE 2 jack of another speaker
Controls and software
- Speakerphone
- Not available
- Voice assistants
- Not available
- Controls
- Power button, Bluetooth button, Playback button, ULT button with volume dial, FUNCTION dial, Party Chain button, Stereo Pair button, STAMINA button, Light button, Echo button, Key control buttons, MIC level knob1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Parts and controls list: power button, BLUETOOTH button, playback button, ULT button with volume dial, FUNCTION dial (BLUETOOTH, LINE 1, LINE 2, USB-A, USB-C), Party Chain button, STEREO PAIR button, STAMINA button, LIGHT button, ECHO button, KEY CONTROL buttons and MIC level knob.
- Companion app
- Sony | Sound Connect1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Using the Sound Connect app: speaker controls and status, Sound Effect, Sound Field Optimization, ULT button settings, Party Now, Battery Care, STAMINA, Lighting Mode and software update.
- App platforms
- iOS, Android1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026The app is downloaded from the Google Play store or the App Store.
- User firmware updates
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026How to keep the software up to date: apply updates to the speaker software with the Sound Connect app.
- Lighting modes
- Beat, Wave, Mellow2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026New lighting modes BEAT, WAVE and MELLOW.8Press articlehifi.fan/stories/sony-announces-ult-tower-7-bluetooth-speaker-with-deep-bass-and-portable-designRead 20 October 2026Article: three lighting modes BEAT, WAVE and MELLOW.
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/7871/v1/en/print.pdfRead 20 October 2026The speaker runs on the supplied AC power cord or the built-in rechargeable battery.
- Playback time (claimed)
- 30h1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Battery hours: approximately 30 hours with Battery Care disabled, a BLUETOOTH connection, volume 17, ULT1 or ULT2 and lighting off. Approximately 15 hours with lighting on at the same settings. Approximately 3 hours at volume 50 (maximum) with lighting on. Measured by Sony with a specified music source. The STAMINA option disables lighting and sound effects but its hours are not published.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Up to 30 hours when ULT1/2 is on, volume 17 and lighting off. Actual performance varies. This matches the Help Guide.
- 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/7871/v1/en/print.pdfRead 20 October 2026Specifications, Power: built-in lithium-ion battery. No capacity is published.
- User-replaceable battery
- Not available
- Quick charge duration
- 10min1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 202610 minutes of charging provide approximately 180 minutes of music playback.
- Playback after quick charge
- 3h1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026180 minutes of playback, with Battery Care disabled, volume 17, ULT1 or ULT2 and lighting off.
- Charging input rating
- AC 120 V, 60 Hz in North America. AC 100 V, 50/60 Hz in Japan. AC 120 V to 240 V, 50/60 Hz in other regions1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Specifications, Power: Japan AC 100 V, 50/60 Hz. North America AC 120 V, 60 Hz. Other regions AC 120 V - 240 V, 50/60 Hz. Power consumption about 112 W. No current rating of the input is published.
- Max charging input
- Not available
- USB Power Delivery charging
- Not available
- Charges other devices
- Yes1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026The built-in battery can supply power to a USB device through the USB-C or USB-A port, also without an AC outlet.
- Wireless charging
- Not available
Durability
- Dust and water rating
- IPX41Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Notes on water resistant feature: water resistant performance equivalent to IPX4, only with the cap securely closed and the speaker placed vertically. Not water resistant when placed horizontally.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026ULT TOWER 7 and ULT TOWER 5 have an IPX4 rating in a vertical position. It applies only when the waterproof port cover is properly closed.
- Floats
- Not available
- Drop resistance
- Not available
- Drop test height
- Not available
- Carry features
- Handles, Caster wheels1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Carrying: the speaker has caster wheels and handles.2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Upgraded wheels with wider treads and carry handles with a more comfortable grip.
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
- Width421Height710Depth347mm(16.6 × 28 × 13.7 in)1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Specifications, Dimensions (W x H x D) including projecting parts and controls: approximately 421 x 710 x 347 mm.
- Weight
- 22,800g(50.3 lb)1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Specifications, Mass including battery: approximately 22.8 kg.
- Body materials
- Plastic (about 20% recycled)2Press releaseprnewswire.com/news-releases/sony-electronics-expands-its-ult-power-sound-series-lineup-with-three-new-bass-powered-party-speakers-302865965.htmlRead 20 October 2026Approximately 20% of the total plastic used in the ULT TOWER 7 is recycled plastic, estimated by weight and excluding packaging and manuals.
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
- ULT TOWER 7 speaker, AC power cord (mains lead), Reference Guide1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Notes: refer to the Reference Guide supplied with the speaker. The supplied AC power cord (mains lead) is named in the charging steps. Abt lists the speaker and one AC power cord.3Retailer pageabt.com/Sony-ULT-TOWER-7-Wireless-Party-Speaker-in-Black-SRSULT700/p/248760.htmlRead 20 October 2026One ULT TOWER 7 speaker and one AC power cord.
Links
- Product page
- Not available
- Spec sheet
- Not available
- Manual
- helpguide.sony.net/speaker/7871/v1/en/print.pdf1Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdfRead 20 October 2026Sony online Help Guide for ULT TOWER 7, printable PDF of 105 pages, Copyright 2026.
- EPREL registration number
- Not available
Warranty
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Sources
We read 10 sources for this wireless speaker. The numbers match the markers in the sheet.
- Owner's manualhelpguide.sony.net/speaker/7871/v1/en/print.pdf
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