Wireless speakers / Compare

Marshall Willen II vs Sony SRS-XB13

A

Product A: Marshall

Willen II

45 of 96 known

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B

Product B: Sony

SRS-XB13

47 of 96 known

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Every value links to where we found it.

Only differences

AMarshall Willen II

BSony SRS-XB13

General

7 of 8 differ

Series

Willen1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Marshall names the speaker Willen II, the second Willen generation.

EXTRA BASS3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Page title: XB13 EXTRA BASS portable wireless speaker. Sony sells it in the EXTRA BASS line.

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

10067141Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Item number 1006714 is the pid of the Black and Brass selection on this page. The Cream colour has its own item number, which is not stored.

SRS-XB13, SRSXB13/B, SRSXB13/L, SRSXB13/P8Retailer pageamazon.com/dp/B08ZJ6DQNYRead 23 October 2026Amazon US listings show SRSXB13/B (black, ASIN B08ZJ6DQNY), SRSXB13/L (light blue, B08ZJ1QLCW) and SRSXB13/P (coral pink, B08ZHCNPMN). The Help Guide names the model SRS-XB13.

GTIN / EAN

Not available

027242921207, 027242921214, 0272429212388Retailer pageamazon.com/dp/B08ZJ6DQNYRead 23 October 2026UPCs from the same three listings: 027242921207 (black), 027242921214 (light blue), 027242921238 (coral pink).

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

19 August 20243Press articlewhathifi.com/news/rock-on-marshalls-third-gen-portable-speakers-are-here-to-rock-your-world-wherever-you-goRead 13 October 2026Article published 19 August 2024 announces the speaker.

Not available

Status

Available1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Maker sells the speaker with an Add to Bag button at USD 129.99 on the accessed date.

Discontinued2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Sony Japan page says sales of this product at the Sony Store have ended. Sony US no longer has the product page and the Sony UK specification URL redirects to the speaker gallery. Amazon still sells it. RTINGS says it was replaced by the SRS-XB100.

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

Sony SRS-XB1006Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026RTINGS notice: this speaker was replaced by the Sony SRS-XB100. iFixit says the same. RTINGS tested the speaker in June and July 2021. Its result cells are members only, so no measured value is stored.9Reviewengadget.com/sonys-latest-portable-party-speaker-also-works-with-your-tv-160026094.htmlRead 23 October 2026Engadget's launch report says the SRS-XB100 replaces the SRS-XB13 in Sony's compact Bluetooth lineup.10Reviewtomsguide.com/reviews/sony-srs-xb100-bluetooth-speakerRead 23 October 2026Tom's Guide says the SRS-XB100 replaces the Sony SRS-XB13.

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

$1193Press articlewhathifi.com/news/rock-on-marshalls-third-gen-portable-speakers-are-here-to-rock-your-world-wherever-you-goRead 13 October 2026Launch price listed as USD 119 for the Willen II.

$59.994Press releasesony.mediaroom.com/2021-05-24-Sony-Electronics-Introduces-SRS-XB13-Portable-Wireless-Speaker-with-Punchy-EXTRA-BASS-TM-SoundRead 23 October 2026Sony Electronics Inc., 24 May 2021, San Diego: suggested retail price $59.99. US prices exclude sales tax. The release lists black, blue, taupe, coral pink and powder blue. Powder blue is sold only on Amazon.

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.

€1193Press articlewhathifi.com/news/rock-on-marshalls-third-gen-portable-speakers-are-here-to-rock-your-world-wherever-you-goRead 13 October 2026Launch price listed as EUR 119. European prices include VAT.

€59.995Reviewglobal.techradar.com/de-de/reviews/im-test-sony-srs-xb13Read 23 October 2026German TechRadar test: the Sony recommended price is 59,99 Euro. The summary paragraph of the same test says 59,90 Euro. Includes VAT. Evidence is for Germany.

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

US, EU3Press articlewhathifi.com/news/rock-on-marshalls-third-gen-portable-speakers-are-here-to-rock-your-world-wherever-you-goRead 13 October 2026Prices evidenced for the US and Europe. The article also gives GBP 99 and AUD 199.

Not available

ColoursiThe maker's own colour names

Black and Brass, Cream1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Colorways table lists Black and Brass and Cream.

Black, Light Blue, Coral Pink, Taupe, Powder Blue, Lemon Yellow6Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026RTINGS lists six colour variants: Black, Light Blue, Coral Pink, Taupe, Powder Blue and Lemon Yellow. iFixit lists the same six. Sony Taiwan lists pink, yellow, blue, cream, black and light blue.

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.

Portable1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Maker calls it a portable speaker.

Portable6Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026RTINGS calls it a small, budget-friendly portable speaker.

Audio

10 of 18 differ

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

Mono1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Stereo/mono row says Mono.

Mono6Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026Public verdict: the speaker downmixes stereo content to mono and plays stereo only when paired to another unit. One full-range driver cannot reproduce two channels.

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.

AMarshall Willen II

Driver type	Count	Diameter (mm)
Full-range driver	1	50.8

Source1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Audio specification says one 2 inch 10 W full range driver. The 2 inch size is converted exactly to 50.8 mm. The rating basis is not stated, so no per-driver rated power is stored.

BSony SRS-XB13

Driver type	Count	Diameter (mm)
Full-range driver	1	46

Source2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: one full-range unit, about 46 mm diameter.3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Diameter of speaker unit (mono speaker): 46 mm.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Audio specification says 2 passive radiators.

12Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: passive radiator units 1.

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.

Not available

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.

10W1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026The 10 W figure belongs to the single full range driver and its rating basis is not stated. The page also lists a 38 W Class D amplifier, which is an amplifier rating and is not stored as audio output.

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.

75Hz1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Frequency range 75 to 20,000 Hz. Tolerance is not stated. The 88 dB SPL at 1 m maker claim is not entered as a measurement.

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 product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Frequency range 75 to 20,000 Hz. Tolerance is not stated.

Not available

Signal-to-noise ratio (claimed)

Not available

Not available

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

No4Reviewdigit.in/reviews/audio-video/marshall-willen-ii-review-a-small-package-that-packs-a-punch.htmlRead 13 October 2026Review says the Marshall app has three presets and no custom EQ. Presets alone do not qualify as an adjustable equalizer.

No6Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026Public text: no graphic EQ or presets and no companion app.

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

Not available

Not available

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

Not available

Not available

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

Marshall, Push, Voice4Reviewdigit.in/reviews/audio-video/marshall-willen-ii-review-a-small-package-that-packs-a-punch.htmlRead 13 October 2026Review names the app presets Marshall (default), Push and Voice.

Not available

Wireless stereo pairingiTwo compatible speakers can play separate left and right channels.

Not available

Yes1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Stereo Pair needs 2 SRS-XB13 speakers connected over BLUETOOTH. One plays the left channel and the other the 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.

Not available

Stereo Pair1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Sony names the Stereo Pair function. No Party Connect is listed for this model.

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

21Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Stereo Pair uses exactly 2 SRS-XB13 speakers.

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

21Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Stereo Pair uses a BLUETOOTH connection between exactly 2 SRS-XB13 speakers. It is the only linking function in the guide.

Connectivity

9 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.

Yes5Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/marshall-willen-ii/461/110300Read 13 October 2026

Yes1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Help Guide covers listening to music from a BLUETOOTH device over A2DP.

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

5.31Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Wireless connectivity row says Bluetooth 5.3 LE. The maker support page says Bluetooth 5.2. The product page spec table is used. Bluetooth LE Audio-ready wording is not a statement of current support, so LE Audio and Auracast are not stored.

4.21Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026About the BLUETOOTH wireless technology: supported version 4.2.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: BLUETOOTH standard version 4.2, Power Class 1.3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Communication system: version 4.2, range 10 m.

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

AAC5Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/marshall-willen-ii/461/110300Read 13 October 2026Comparison table lists AAC: Ja and aptX: Nee. SBC is not listed, so only AAC is stored. The maker states no codecs.

SBC, AAC1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Codec page: SBC and AAC. Priority on stable connection forces SBC. The codec switches to SBC during Stereo Pair.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table lists SBC and AAC.

Bluetooth profiles

Not available

A2DP, AVRCP, HFP, HSP1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Supported profiles A2DP, AVRCP, HSP and HFP.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table lists A2DP, AVRCP, HFP and HSP. The A2DP transmission band of 20 Hz to 20,000 Hz at 44.1 kHz is a Bluetooth range and is not stored as frequency response.

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

Not available

Not available

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

Not available

Not available

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

Yes1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Product details row says Bluetooth multipoint connectivity: Yes.

No1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Pairing section: the speaker can be paired with multiple devices, up to 8, but can only play music from one paired device at a time. This is pairing memory, not concurrent connections.

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

22Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Pairing section says Willen II can be connected with 2 devices at a time and remembers up to 8 previously paired devices.

Not available

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

10m1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Bluetooth range row says up to 10 m in free field on every regional page opened. Several retailers and reviews say 100 m. The maker figure is used.

10m1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Maximum communication range of about 10 m (about 32.8 ft).2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: maximum communication range about 10 m.

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

Not available

No6Reviewrtings.com/speaker/reviews/sony/srs-xb13Read 23 October 2026Public header lists Wi-Fi: No.

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

No1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Parts and controls: the DC IN 5V port (USB Type-C) is not compatible with music playback.

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

Not available

No1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026The USB Type-C port is a charging port only. No USB storage playback is described.

USB audio file formats

Not available

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.

AMarshall Willen II

Connector	Count	Role
USB-C	1	Charging power input

Source2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Device layout shows one USB-C power input.

BSony SRS-XB13

Connector	Count	Role
USB-C	1	Charging input (DC IN 5V)

Source1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Parts and controls lists a DC IN 5V port (USB Type-C) under a cap. No audio input is listed.

Controls and software

5 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.

Yes1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Built-in microphone for hands-free calls.2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Device layout names a microphone that lets the speaker work as a speaker phone.

Yes1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Parts list a microphone. The guide describes receiving and making hands-free calls over a BLUETOOTH phone.

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

Google Assistant, Siri1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026The guide has voice assist topics for the Google app on Android and for Siri. The assistant runs on the connected phone and is used through the speaker microphone.

Controls

Power button, Bluetooth pairing and call-routing button, Multi-directional control knob1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Top panel controls: multi-directional control knob, on/off button, Bluetooth pairing button and battery indication.2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Control knob: push once for play/pause and calls, left or right to skip, up or down for volume.

Power, Bluetooth pairing, Stereo Pair, Play/pause and call, Volume up/down1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Parts and controls: power button, BLUETOOTH button that is also the ST PAIR button, play and call button, and volume minus and plus buttons.

Companion app

Marshall Bluetooth1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Compatible apps row names the Marshall Bluetooth app.

Not available

App platforms

iOS, Android1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Compatible apps row says iOS and Android.

Not available

User firmware updates

Yes2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Troubleshooting says to connect the Marshall Bluetooth app and follow the in-app instructions to get the latest firmware.

Not available

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

Not available

Not available

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

6 of 17 differ

Built-in battery

Yes1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Battery section gives play time and charging time for the built-in battery.

Yes1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Charging the speaker topic describes the built-in 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.

17h1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Play time 17+ hours. Stored 17 for the stated threshold with the plus qualifier. No volume or setting is stated.

16h1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026About 16 hours at volume level 26 and about 5 hours at maximum volume level 31, over BLUETOOTH. Measured with a Sony specified music source. Stored the 16 hour figure.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: about 16 hours over BLUETOOTH.

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.

Not available

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.

Not available

Not available

Nominal battery voltage

Not available

Not available

Battery chemistry

Lithium-ion2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Battery care guide says the speaker has lithium-ion batteries.

Lithium-ion2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: 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.

2.5h1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Charging time 2.5 hours. Charger rating is not stated on the page. The manual says 5 V, 1.5 A.

4.5h1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026About 4 hours 30 minutes from empty to full with a USB AC adaptor that delivers 500 mA or more.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: about 4.5 hours, matching the Help Guide.

Quick charge duration

20min1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Quick charging: 20 minutes of charge gives 5.5 hours of playtime.

Not available

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

5.5h1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Maker claim of 5.5 hours of playtime after 20 minutes of charging. Volume and starting charge are not stated.

Not available

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

5 V, 1.5 A2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Charging section says to use a USB power source of 5 V, 1.5 A.

5 V DC2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: power type DC, 5 V, charged over USB Type-C. Sony states about 3 W operating consumption on AC power, which is not a charging input rating. The Help Guide asks for an adaptor of 500 mA or more.

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

Not available

No1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026The only USB port is named DC IN 5V. No power output to other devices is described.

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

Not available

Not available

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

Not available

Not available

Durability

1 of 5 differ

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

IP671Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026IP67 means submersion in 1 m of water for up to 30 minutes.

IP671Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Waterproof specification IPX7 and dustproof specification IP6X with the cap closed. Sony's tables write IP67.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: IP67.

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.

Fastening strap1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Rubber fastening strap for hanging or fixing the speaker.

Strap1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Using the strap topic: the supplied strap hangs the speaker from a bag or backpack.

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

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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.

Width100.5Height100.5Depth43.4mm(4 × 4 × 1.7 in)1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Physical unit table labels width 100.5 mm, height 100.5 mm and depth 43.4 mm. Bare speaker.

Width76Height95Depth76mm(3 × 3.7 × 3 in)2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: about 76 mm diameter by 95 mm height including projecting parts. Stored as width and depth 76 mm.3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Approx. 76 mm dia. by 95 mm.

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

360g(12.7 oz)1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Physical unit table, 0.36 kg converted exactly to 360 g.

253g(8.9 oz)2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table: about 253 g including the battery.3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Approx. 253 g.

Body materials

Silicone sleeve2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Cleaning section says the silicone sleeve and carry strap can be removed.

Steel mesh grille2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Specification table lists the net (grille) material as steel metal.

Certifications

0 of 1 differ

FCC IDs

Not available

AK8SRSXB137Regulatory filingfccid.io/AK8SRSXB13Read 23 October 2026FCC grant of 12 November 2020 to Sony Group Corporation for model SRSXB13, Wireless Speaker, 2402 to 2480 MHz. Exhibit names include SRS-XB13 label, photo and test report files. Read in Chrome because fccid.io blocks agents. Not checked on fcc.gov.

Other certifications

Not available

Not available

In the box

1 of 1 differ

In the box

Willen II speaker, USB-C charging cable, User manual and legal and safety information1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026Box contents: speaker, USB-C charging cable, user manual and legal and safety information.

Speaker, USB Type-C cable, Strap1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Parts list the strap and the supplied USB Type-C cable.2Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Accessories: USB Type-C cable, strap, warranty card and manual. Warranty card and manual are not stored.

Links

Not compared

Product page

www.marshall.com/us/en/product/willen-ii1Maker product pagemarshall.com/us/en/product/willen-iiRead 13 October 2026

www.sony.jp/active-speaker/products/SRS-XB132Maker product pagesony.jp/active-speaker/products/SRS-XB13/spec.htmlRead 23 October 2026Sony Japan product page for the SRS-XB13. Sony US and UK pages for this model are gone.

Spec sheet

Not available

www.sony.com.tw/en/electronics/portable-speakers/srs-xb13/specifications3Maker product pagesony.com.tw/en/electronics/portable-speakers/srs-xb13/specificationsRead 23 October 2026Sony Taiwan English full specification page. It lists speaker unit, size, weight, Bluetooth, battery life and colours. Read in Chrome because sony.com sites block agents.

Manual

www.marshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdf2Owner's manualmarshall.com/on/demandware.static/-/Library-Sites-SharedLibrary-Marshall/default/dwe0dadd06/images/cms-pages/user/Marshall_Willen_II_OLM_R1_2_en.pdfRead 13 October 2026Maker English full online manual, revision 1.2, nine pages.

helpguide.sony.net/speaker/srs-xb13/v1/en/print.pdf1Owner's manualhelpguide.sony.net/speaker/srs-xb13/v1/en/print.pdfRead 23 October 2026Sony English Help Guide for SRS-XB13, print PDF of 65 pages, copyright 2021. It has no Specifications topic, so the specification values come from Sony's spec tables.

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

0 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.

1year6Retailer pageamazon.com/dp/B0DD7T8H2QRead 13 October 2026Amazon US lists 1 Year Limited warranty. Market is the US.

1year8Retailer pageamazon.com/dp/B08ZJ6DQNYRead 23 October 2026Warranty description on the Amazon US listings: 1 year. US region. The listings' other technical rows, such as 13 watts and 2 channels, conflict with Sony's tables and are not used.

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