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JBL PartyBox Encore Essential 2 vs Sony ULT FIELD 5

A

Product A: JBL

PartyBox Encore Essential 2

51 of 96 known

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B

Product B: Sony

ULT FIELD 5

55 of 96 known

Change Sony ULT FIELD 5

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All 96 fields

Every value links to where we found it.

Only differences

AJBL PartyBox Encore Essential 2

BSony ULT FIELD 5

General

7 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 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 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-ULT50, YY7859E4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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

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

Available2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

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.

$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)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.

€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.

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, 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

ColoursiThe maker's own colour names

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

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 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.

Portable2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

Audio

13 of 18 differ

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

Not available

Stereo6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026

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 5

Driver type	Count	Diameter (mm)
Woofer	1	Not available
Tweeter	2	46

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 radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

Not available

25Reviewsoundguys.com/sony-ult-field-5-review-party-ready-but-with-room-to-improve-135558Read 8 October 2026

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

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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

Not available

103Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026

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

Not available

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 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, 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 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.

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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

Not available

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 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

Not available

Connectivity

12 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

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 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

5.34Owner'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 codecsiExplicitly supported receive codecs. Bluetooth version alone does not establish codecs.

Not available

SBC, AAC, LDAC4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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, SPP3Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026

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

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

Multipoint source devicesiMaximum concurrently connected Bluetooth source devices, not remembered pairings.

Not available

24Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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

Not available

30m4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026About 30 m. Obstacles and radio interference reduce this distance.

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.

No6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026

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

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 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.

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

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.

Not available

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 5

Connector	Count	Role
USB-C	1	Charging input and power-bank output
3.5 mm audio	1	Stereo audio input

Source4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

Controls and software

3 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.

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 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, 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

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 Connect4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

Android, iOS4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

User firmware updates

Not available

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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)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-ion4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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

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.

10min4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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 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.

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

Not available

Not available

USB Power Delivery charging

Not available

Yes4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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 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

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Durability

3 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.

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

Not available

Yes6Reviewrtings.com/speaker/reviews/sony/ult-field-5Read 8 October 2026Public intro and outdoor verdict explicitly state it floats.

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

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

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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.

Detachable shoulder strap2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

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

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

Not available

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

Not available

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

Not available

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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

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

Not available

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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.

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.

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.

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

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.

Fabric grille, Plastic body5Reviewsoundguys.com/sony-ult-field-5-review-party-ready-but-with-room-to-improve-135558Read 8 October 2026

Certifications

None of 1 known

FCC IDs

Not available

Not available

Other certifications

Not available

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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.

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

Links

Not compared

Product page

Not available

electronics.sony.com/audio/speakers/all-speakers/p/srsult50-b2Maker product pageelectronics.sony.com/audio/speakers/all-speakers/p/srsult50-bRead 8 October 2026

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.

www.sony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specifications3Maker product pagesony.co.uk/electronics/support/speakers-wireless-speakers/srs-ult50/specificationsRead 8 October 2026

Manual

Not available

helpguide.sony.net/speaker/7859/v1/en/print.pdf4Owner's manualhelpguide.sony.net/speaker/7859/v1/en/print.pdfRead 8 October 2026

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.

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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.

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