Wireless speakers / Compare

JBL PartyBox Encore Essential 2 vs Sony ULT FIELD 7

A

Product A: JBL

PartyBox Encore Essential 2

51 of 96 known

Change JBL PartyBox Encore Essential 2

Compare the Sony ULT FIELD 7 with

Search wireless speakers

B

Product B: Sony

ULT FIELD 7

49 of 96 known

Change Sony ULT FIELD 7

Compare the JBL PartyBox Encore Essential 2 with

Search wireless speakers

All 96 fields

Every value links to where we found it.

Only differences

AJBL PartyBox Encore Essential 2

BSony ULT FIELD 7

General

6 of 8 differ

Series

PartyBox1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026The sheet places the speaker in the JBL PartyBox line.

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 numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

JBLPBENCOREESS2AM, JBLPBENCOREESS2EP, JBLPBENCOREESS2JN3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing gives Model Number JBLPBENCOREESS2AM. The Euronics listing gives JBLPBENCOREESS2EP and the e-earphone listing JBLPBENCOREESS2JN.

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

050036411059, 49689292249753Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing gives UPC 050036411059. The Global Trade Identification Number on the same listing is a different 14-digit code that is not stored. The e-earphone listing gives the Japanese JAN 4968929224975 for JBLPBENCOREESS2JN, which is stored too. Amazon US lists Audio Output Mode Stereo and 2 audio channels while ComparisonTables lists 1.0 (mono). The maker states no channel count, so audio_channels is left out.6Retailer pagee-earphone.jp/products/612079Read 15 October 2026Listing shows JAN 4968929224975 directly after the model title for JBLPBENCOREESS2JN.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

6 January 20252Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026HARMAN press release from CES 2025, Las Vegas, dated 2025-01-06.

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

Available3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Add to cart is active.

Not available

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$329.952Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026The model table lists 329.95 USD for the PartyBox Encore Essential 2. The release text says the new speakers retail from 299 to 799 USD, and SoundGuys' CES report gives 299 USD for this model. The text range and the table disagree, so the per-model table price is used. ComparisonTables and SoundGuys' later deal article also give 329.95 USD as the recommended retail price.8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists MSRP 329.95 USD. SoundGuys also gives 329.95 USD as the recommended retail price. This is a list price and not a dated launch announcement.9Press articlesoundguys.com/jbl-partybox-encore-essential-2-deal-160412Read 15 October 2026Deal article says 229.99 USD at Amazon, down from its 329.95 USD recommended retail price. The article's tweeter size of 1.75 in does not match the maker sheet and is not used.

$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)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€299.9910Press articlenextpit.de/deals/jbl-partybox-encore-essential-2-bestpreis-otto-jackpot-dealRead 15 October 2026German deal article of 22 Oct 2025 names a recommended retail price (UVP) of 299.99 EUR, including VAT. hifi.de and the Estonian Euronics listing show the same figure. This is a list price and not a dated launch announcement.

€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.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, DE, EE, AU, NZ, JP3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Sold in the US. Other markets come from the Telstra, JB Hi-Fi, Euronics, nextpit and e-earphone listings.4Retailer pagetelstra.com.au/accessories/speakers/jbl/encore-essential-2-partybox-speakerRead 15 October 2026Australian retailer page. It repeats the maker specification list, including 319.5 x 342 x 260.4 mm and 6.2 kg.5Retailer pageeuronics.ee/en/audio/portable-speakers/party-speakers/jblpbencoreess2epRead 15 October 2026Estonian retailer page, product code JBLPBENCOREESS2EP. Its specification tab agrees on 40 - 20000 Hz, 100 W, Bluetooth 5.4, 4722 mAh, 15 h, 3.5 h, IPX4 and 31.95 x 34.2 x 26.04 cm. It also says WiFi: No. The 8.25 kg weight on that page is the packaged weight and is not used.

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.

ColoursiThe maker's own colour names

Black3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing offers Black.

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 typeiHome covers speakers made to stay in one place, including smart speakers. A speaker with Wi-Fi or a voice assistant can be of any type.

Party1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Portable party speaker per the sheet title.

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

13 of 18 differ

Audio channelsiSound channels reproduced by one speaker. Pairing two speakers for stereo is separate.

Not available

Not available

Audio driversiPowered audio transducers in one speaker. Passive radiators are counted separately. Circular diameter and rectangular width and height have separate columns. Per-driver power must state continuous or RMS basis and battery or mains operation in the source note.

AJBL PartyBox Encore Essential 2

Driver type	Count	Diameter (mm)
Woofer	1	135
Dome tweeter	2	20

Source1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Transducers: 1 x 5.25 inch (135 mm) woofer and 2 x 0.75 inch (20 mm) dome tweeters. No per-driver power is published.

BSony ULT FIELD 7

Driver type	Count	Diameter (mm)	Width (mm)	Height (mm)
Woofer	2	Not available	114	114
Tweeter	2	46	Not available	Not 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 radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

Not available

25Maker product pagesony.jp/active-speaker/products/ULT_FIELD7/spec.htmlRead 10 October 2026Specification table (Japanese) lists passive radiator units as 2.

Rated audio poweriMaker-published total rated continuous audio output. Battery power is used for portable speakers when mains and battery ratings differ. Peak marketing power is separate.

100W1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Output power 100 W RMS (IEC60268). No separate battery and mains rating is published.

Not available

Rated audio power on mainsiTotal rated continuous audio output with external power. Store a separate battery rating when the maker publishes both.

Not available

Not available

Audio output power (unspecified rating)iMaker- or reviewer-published audio output power whose continuous or peak rating basis is not stated. This is separate from rated continuous output and explicitly published peak output.

Not available

Not available

Peak audio poweriExplicitly published peak audio output. Never substitute for rated continuous output.

Not available

Not available

Frequency response lower limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

40Hz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as 40 Hz - 20 kHz (-6 dB).

Not available

Frequency response upper limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

20kHz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as 40 Hz - 20 kHz (-6 dB).

Not available

Signal-to-noise ratio (claimed)

80dB1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as > 80 dB. 80 is stored as the lower bound.

Not available

Adjustable equalizeriUser-adjustable frequency bands. Selecting fixed sound presets alone does not qualify.

Not available

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 bandsiNumber of user-adjustable frequency bands. Do not count sound presets.

Not available

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 adjustmentiAdjusts audio to placement or playback conditions. Keep the named feature and conditions in the source note.

Not available

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 modesiNamed playback modes. Battery extension modes are also qualified in battery source notes.

Bass Boost8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists one sound mode button, Bass boost.

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 pairingiTwo compatible speakers can play separate left and right channels.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says two speakers pair for true stereo through Auracast.

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 protocolsiNamed systems for linking compatible speakers, such as PartyBoost, Auracast or Party Connect. Linking support does not establish compatibility across all models.

Auracast1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says the speaker links with other JBL Auracast-enabled speakers. No maximum group size is published.

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 speakersiPublished maximum in a speaker group. A stereo pair is recorded separately. A figure such as 100+ is stored as 100.

Not available

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 speakersiPublished maximum speakers in one Bluetooth playback group, including the first speaker. Source notes name the compatible models or families, linking system and firmware requirements. Wi-Fi groups and concurrent Bluetooth source devices are excluded. A stereo pair alone does not establish the maximum when other Bluetooth linking systems are supported. A figure such as 100+ is stored as 100.

Not available

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

11 of 16 differ

Bluetooth audio playbackiPlays audio streamed over Bluetooth from a phone or other source. Bluetooth used only for setup or app control does not count.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026

Bluetooth versioniVersion of the Bluetooth radio. Some Wi-Fi speakers use Bluetooth only for setup. See Bluetooth audio playback.

5.41Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

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 codecsiExplicitly supported receive codecs. Bluetooth version alone does not establish codecs.

Not available

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 1.4, AVRCP 1.6, TMAP 1.0, PBP 1.01Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as A2DP V1.4, AVRCP V1.6(SW), TMAP1.0 and PBP1.0.

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 AudioiExplicit LE Audio support. Bluetooth LE for app control alone does not qualify.

Yes2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026Release and table list Bluetooth v5.4 with LE audio for the PartyBox Encore Essential 2. The maker spec sheet lists TMAP 1.0 and PBP 1.0 profiles.

Not available

AuracastiExplicit Auracast support. Sending, receiving and speaker-group roles belong in source notes.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Multi-speaker connection by Auracast. The sheet does not state sender and receiver roles.

Not available

MultipointiConcurrent Bluetooth source connections. Pairing memory and speaker-to-speaker linking do not qualify.

Not available

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 devicesiMaximum concurrently connected Bluetooth source devices, not remembered pairings.

Not available

21Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Up to 2 Bluetooth devices at once.

Bluetooth range (claimed)iMaker-claimed Bluetooth range to the source device. Test conditions belong in the source note.

Not available

30m1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Maximum communication range about 30 m (98.4 ft).

Wi-FiiBuilt-in Wi-Fi, for audio streaming, setup or control.

No11Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/jbl-partybox-encore-essential-2/461/121090Read 15 October 2026Public spec rows list Wifi verbinding as Nee.

Not available

Wi-Fi standardsiOne 802.11 name per item, such as 802.11ax. A Wi-Fi generation is written as its standard, so Wi-Fi 5 is 802.11ac and Wi-Fi 6 is 802.11ax. Older standards are listed only when a source names them.

Not available

Not available

Network audio protocolsiNamed systems that stream audio to the speaker over the home network. AirPlay is written as AirPlay 2. Chromecast built-in is written as Google Cast. Other names follow the maker, such as Spotify Connect.

Not available

Not available

USB audio inputiPlayback from a connected computer or phone through USB. Charging, service ports and USB flash-drive playback do not qualify.

Not available

Not available

USB drive playbackiPlayback of audio files on a connected USB storage device.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists USB format FAT16 and FAT32 and supported USB formats.

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, WAV, FLAC1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists .MP3, .WAV and .FLAC and marks them not for the EMEA region. Japan lists WMA as well, which is not retained.

MP3, WMA, WAV1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Supported audio file formats are MP3, WMA and WAV.

PortsiPhysical speaker connectors. Record charging, audio input, power output and service roles separately. A shared microphone and guitar jack is one port. A combo jack that takes XLR and 6.35 mm plugs is 6.35 mm audio, and the role names XLR. Optical is a TOSLINK digital audio socket.

AJBL PartyBox Encore Essential 2

Connector	Count	Role
AC power	1	Mains power and battery charging
USB-C	1	USB drive music playback and power-bank output
3.5 mm audio	1	AUX audio input
6.35 mm audio	1	Shared microphone and guitar input

Source1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists AC power input, a USB port (charge out and playback), a 3.5 mm Aux-In and Mic-In and Guitar-In inputs.8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists one USB-C port for playback and power-bank output, a 3.5 mm AUX input, one shared guitar and microphone TRS input and an AC charging port. The maker sheet gives no connector type for the USB port. The Amazon product photo of the rear panel shows one USB-C port, one AUX IN jack and one microphone and guitar jack with a selector and gain knob.

BSony ULT FIELD 7

Connector	Count	Role
AC power	1	AC power input
USB-A	1	USB storage playback and charging output for other devices
3.5 mm audio	1	Audio input
6.35 mm audio	1	Microphone 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

4 of 8 differ

SpeakerphoneiBuilt-in microphone and call support, through a connected phone or a voice assistant's calling. A microphone used only for voice commands does not count. Microphone inputs for karaoke are separate.

No8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists no built-in microphone. The microphone input is for karaoke.

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 assistantsiVoice assistants explicitly usable through the speaker, such as Amazon Alexa, Google Assistant, Siri or Sonos Voice Control. State whether a connected phone is required.

Not available

Not available

Controls

Not available

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

JBL PartyBox1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet names the JBL PartyBox App for music, EQ settings and light show.

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

Android, iOS11Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/jbl-partybox-encore-essential-2/461/121090Read 15 October 2026Public spec rows list an Android app and an iOS app. The Euronics listing says the app is on the App Store and Google Play.

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

Not available

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 lightingiDecorative or ambient lighting. Status, battery, connection and microphone indicator LEDs alone do not qualify.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Dynamic light show with glowing light patterns and strobe effects.

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

Not available

Smart home

None of 3 known

Matter controlleriCan add and control Matter devices. Being a Matter device alone does not count.

Not available

Not available

Thread border routeriConnects Thread smart home devices to the home network.

Not available

Not available

Zigbee hubiA built-in Zigbee radio that controls Zigbee smart home devices.

Not available

Not available

Battery and charging

8 of 17 differ

Built-in battery

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

Yes1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list a built-in lithium-ion battery.

Playback time (claimed)iMaximum maker-claimed music playback on one charge in normal playback mode. Battery extension or reduced-bass boost modes belong in battery_life_boost_h. Record volume and lighting conditions in the source note.

15h1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Up to 15 hours. The sheet says playtime varies by volume level and audio content and gives no volume or lighting conditions.

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)iTotal claimed runtime with the named battery extension mode enabled. Store the total, not only the extra hours. Keep sound and lighting restrictions in the source note.

Not available

Not available

Battery energyiPublished battery pack energy. Do not calculate from an assumed voltage.

34Wh1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh). The sheet gives both figures. 7.4 V x 4.722 Ah is 34.9 Wh, a little above the stated 34 Wh. Both are stored as published.

Not available

Battery capacityiPublished pack capacity at the voltage in battery_voltage_v. Do not substitute power-bank output capacity. A figure written per cell, such as 5000mAh*2, is not a pack capacity unless the maker states the pack figure.

4,722mAh1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh).

Not available

Nominal battery voltage

7.4V1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh).

Not available

Battery chemistry

Lithium-ion1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

Lithium-ion1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Specifications list a built-in lithium-ion battery.

User-replaceable batteryiBattery that the maker documents as replaceable by the user. Service replacement does not qualify.

Not available

Not available

Full charge timeiTime from discharged to full under the maker conditions. Adapter rating and simultaneous use belong in source notes.

3.5h1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as < 3.5 hours with the speaker off. 3.5 is stored as the upper bound.

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

10min2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026Release says a quick 10 minute charge delivers an additional 80 minutes of playback for the Encore 2 and Encore Essential 2.

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 chargeiClaimed music playback after quick_charge_min of charging. Source conditions apply.

1.33h2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 202680 minutes of playback after 10 minutes of charging is stored as 1.33 hours, which is 80/60 rounded to two decimals. The release gives no volume or lighting conditions, and the spec sheet does not repeat the figure.

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 ratingiPublished speaker input voltage and current. An adapter rating alone does not establish device input.

100-240 V AC, 50/60 Hz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Power input 100 - 240 V ~ 50/60 Hz.

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 inputiPublished maximum charging input. USB audio power requirements and adapter output are separate.

Not available

Not available

USB Power Delivery charging

Not available

Not available

Charges other devices

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026USB charge out 11 V / 2 A (max) with the speaker off. No watt figure is published on the sheet.

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 outputiPublished power delivered by the speaker to another device. Output voltage and current belong in the source note.

22W8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists the power-bank function as one USB-C output at 22 W. This equals the 11 V / 2 A maximum on the maker sheet. The same page lists the USB port as USB-C, as does the e-earphone listing, while Euronics calls it USB-A.

Not available

Wireless chargingiThe speaker battery can be charged wirelessly. Wireless power output to another device is separate.

Not available

Not available

Durability

2 of 5 differ

Dust and water ratingiExact published IP rating. Keep separate ratings, such as IP68 and IP69, as separate entries.

IPX41Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026IPX4 splash proof.

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

Not available

Drop resistanceiExplicit maker claim or defined drop test. Do not infer from rugged wording.

Not available

Not available

Drop test heightiMaker-published tested height. Surface and conditions belong in source notes.

Not available

Not available

Carry featuresiPublished handles, straps, carabiners or wheels.

Grab-and-go handle1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet and features list a grab-and-go handle.

Carry handles1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Parts list names handles.

Measured

None of 6 known

Playback time (measured)iReviewer-measured playback per charge. Volume, lighting, sound mode, firmware and connection belong in the source note.

Not available

Not available

Max sound pressure (measured)iReviewer-measured maximum SPL. Distance, test method and power source belong in source notes.

Not available

Not available

Low-frequency extension (measured)iReviewer-measured low-frequency limit. Threshold and test method belong in source notes.

Not available

Not available

High-frequency extension (measured)iReviewer-measured high-frequency limit. Threshold and test method belong in source notes.

Not available

Not available

Audio latency (measured)iReviewer-measured source-to-speaker latency. Source device, app, codec, firmware and connection belong in source notes. App compensation may affect results.

Not available

Not available

Full charge time (measured)iReviewer-measured time from empty to full. Power adapter and method belong in the source note.

Not available

Not available

Dimensions and weight

3 of 3 differ

DimensionsiSpeaker body width, height and depth on explicitly identified axes. Unlabeled tuples do not establish axis meanings. Handle, strap and orientation conditions belong in the source note.

Width319.5Height342Depth260.4mm(12.6 × 13.5 × 10.3 in)1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Product dimensions (W x H x D) 319.5 mm x 342 mm x 260.4 mm. Some other published sheets give a different height and weight. See the Amazon listing note.3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing gives 10.25 in D x 12.58 in W x 13.46 in H and 13.7 lb, which matches the spec sheet. Another US retailer page (electronicsexpo.com) shows 319.5 x 338.6 x 263 mm and 6.4 kg for the same product, so the maker data is not consistent across sheets.

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.

WeightiSpeaker mass including its battery. Excludes packaging, charger and removable carry accessories unless the source states otherwise.

6,200g(13.7 lb)1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Net weight 6.2 kg. Gross weight with packaging is 8.25 kg.3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing gives 13.7 lb (6.2 kg), which matches the spec sheet.

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

Post-consumer recycled plastic1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says the speaker incorporates post-consumer recycled plastic.

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

None of 1 known

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

1 of 1 differ

In the box

JBL PartyBox Encore Essential 2 speaker, AC power cord, Quick-start guide, Safety instruction and warranty card1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Speaker, quick-start guide, safety instruction and warranty card, and an AC power cord whose quantity and plug type vary by region.

Not available

Links

Not compared

Product page

Not available

Not available

Spec sheet

static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdf1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026JBL (HARMAN) product spec sheet, copyright 2025. The file is hosted on a US retailer server because the maker site is not readable here. The same sheet is hosted by a Russian retailer.

store.sony.com.sg/blogs/8147834339483_45090312290459/8147834339483__specifications6Maker product pagestore.sony.com.sg/blogs/8147834339483_45090312290459/8147834339483__specificationsRead 10 October 2026Sony Store Singapore specification page for the SRS-ULT70 (English).

Manual

Not available

helpguide.sony.net/speaker/7858/v1/en/print.pdf1Owner's manualhelpguide.sony.net/speaker/7858/v1/en/print.pdfRead 10 October 2026Sony English help guide for ULT FIELD 7, full print PDF opened. Copyright 2024, revision with Sound Connect text added in 2025.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing: 1 Year Manufacturer warranty. Other markets are not covered.

Not available

Both are also in the API. Back to all wireless speakers.