Wireless speakers / Compare

Marshall Willen II vs soundcore 2

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Product A: Marshall

Willen II

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Product B: soundcore

2

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Only differences

AMarshall Willen II

Bsoundcore 2

General

6 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.

Not available

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.

A31051Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Owner's manual cover and EU declaration name Model No. A3105. The same model number covers an older and a newer hardware revision.

GTIN / EAN

Not available

848061063943, 1946440596754Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Item details of the Black listing, model number A3105 and item type name A3105011, give UPC 848061063943 and 194644059675 and GTIN 00848061063943. Only the Black color is stored, so only its codes are stored. Other colors have their own codes.

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.

Available4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Current US listing sells the speaker, ASIN B01MTB55WH, model number A3105.

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.

$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.

Not available

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.

€49.996Press articlemobiflip.de/anker-soundcore-2/ampRead 13 October 2026Report says the launch price is 49.99 EUR through Amazon in Germany. USD launch reports differ (39.99 USD at Gizchina, about 50 USD at TechRadar), so no USD price is stored.

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.

US4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Amazon US listing.

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.

Black4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Only the Black selection of the listing is stored. Other colors are sold.

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.

Portable4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Listing says Speaker Type Portable Speaker and the maker title says Portable Bluetooth Speaker.

Audio

7 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.

Stereo4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Maker title says 12W Stereo Sound and the details say Audio Output Mode Stereo. One physical bar with two drivers.

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.

Bsoundcore 2

Driver type	Count
Full-range driver	2

Source1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table lists Driver (full range) 1.5 inch x 2, so two full-range drivers. The 1.5 inch size is not labelled as a diameter, and the Amazon listing gives a different 6 cm driver size, so no diameter is stored.

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.

112Maker product pageservice.soundcore.com/article-description/The-Main-Differences-Between-Soundcore-2-and-Soundcore-3-SpeakerRead 21 October 2026Maker support article says Soundcore 2 has dual neodymium drivers and one passive radiator. Amazon's text mentions a spiral bass port, which is not a passive radiator and is not counted. The article is for the original version and the maker says the new version differs only in the Bluetooth chip.

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.

12W1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Audio output 12W+ with no continuous or peak basis. Impedance is 4 ohm. The Amazon A+ text calls 12 watts peak power, so the basis stays unspecified.

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.

70Hz1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says 70 Hz - 20 KHz. No tolerance is stated.

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.

20kHz1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says 70 Hz - 20 KHz. No tolerance is stated.

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.

No9Measurementrtings.com/speaker/reviews/anker/soundcore-2Read 21 October 2026Review text says the speaker does not offer any sound customization features.

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 manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Manual describes True Wireless Stereo pairing of two SoundCore 2 speakers with separate left and right channels. Support says an old and a new revision cannot be paired with each other.12Maker product pageservice.soundcore.com/article-description/The-Main-Differences-Between-Soundcore-2-and-Soundcore-3-SpeakerRead 21 October 2026Maker support article says Soundcore 2 supports TWS and can pair with 2 speakers. Old and new versions cannot be paired with each other.

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

Not available

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

Not available

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

7 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 manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Bluetooth Pairing section pairs a phone, and the AUX section says to remove the cable to return to Bluetooth mode.

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.

Not available

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.

Not available

Bluetooth profiles

Not available

Not available

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.

Not available

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.

20m1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Range 20 m / 66 ft.

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

Not available

No9Measurementrtings.com/speaker/reviews/anker/soundcore-2Read 21 October 2026Public summary at the top of the review says 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

Not available

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

Not available

Not available

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.

Bsoundcore 2

Connector	Count	Role
3.5 mm audio	1	AUX audio input

Source1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026AUX section says Connect via AUX and that the SoundLine AUX cable is sold separately. The manual does not name the connector size. TechRadar, SoundGuys and the maker's support article name an aux input, and TechRadar and SoundGuys call it 3.5 mm. The charging port is not stored. It is micro USB on the original units. Amazon US reviews from 2026 describe a newer unit with a USB-C port.7Spec databasesoundguys.com/product/anker-soundcore-anker-2Read 21 October 2026Specs list Connection Type Bluetooth and wired-aux-3.5mm, and Charging Method Micro-USB.8Reviewtechradar.com/reviews/anker-soundcore-2Read 21 October 2026Review says a water resistant flap on the side protects the microUSB charging port and the 3.5mm aux port.12Maker product pageservice.soundcore.com/article-description/The-Main-Differences-Between-Soundcore-2-and-Soundcore-3-SpeakerRead 21 October 2026Maker support article says Soundcore 2 has a Micro-USB port and an AUX-in port, and Soundcore 3 has USB-C. It also says Soundcore 2 has no app support. Amazon US reviews describe a newer unit with USB-C, so only the AUX input is stored.

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 manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Controls table documents answer, end, reject, hold and transfer of calls between speaker and phone. What Hi-Fi confirms a built-in microphone.

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

Siri, Google Assistant1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Controls table says press and hold for 1 second activates Siri or other voice control software. This runs through the connected phone. Google Assistant is named by What Hi-Fi.5Reviewwhathifi.com/reviews/anker-soundcore-2Read 13 October 2026Review of 10 May 2019 says the built-in microphone talks to Siri, Google Assistant or makes hands-free calls.

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, Play/pause, Next track, Volume up/down, Answer/end call, Voice assistant1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Controls table: press for play/pause, double press for skip forward, press for volume up/down, call handling and voice assistant. Power and Bluetooth pairing buttons are in the pairing and power sections.

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

8 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.

Yes3Maker product pageca.soundcore.com/products/soundcore-2-portable-bluetooth-speakerRead 13 October 2026Maker text names a built-in 5,200mAh Li-ion battery. No user replacement is documented.

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.

24h1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Play time up to 24 hours, varies by volume level and content.

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

5,200mAh3Maker product pageca.soundcore.com/products/soundcore-2-portable-bluetooth-speakerRead 13 October 2026Maker text says a 5,200mAh Li-ion battery for 24 hours. The iFixit replacement guide (https://ifixit.com/Guide/Anker+SoundCore+2+Battery+Replacement/140279) describes two 2600 mAh 18650 cells in series at 7.4 V, so 5,200 mAh looks like the sum of both cells and not a series-pack rating. No nominal voltage is published, so none is stored.

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-ion3Maker product pageca.soundcore.com/products/soundcore-2-portable-bluetooth-speakerRead 13 October 2026Maker text says Li-ion.

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.

3h1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Charging time 3 hours. Charger and simultaneous use are not stated.

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 DC at 2 A1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Input 5V 2A.

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

Not available

10W2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3105QSG.pdfRead 21 October 2026Quick Start Guide V2 says the power delivered by the charger must be between min 0.1 W required by the radio equipment and max 10 W in order to achieve the maximum charging speed. It matches the Input 5V 2A line. The guide covers the new version, where the 7th digit of the serial number is C.

USB Power Delivery charging

Not available

Not available

Charges other devices

Not available

No4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026The maker's comparison table on the listing shows Charge Out with a cross for the soundcore 2 and AuX in with a tick. The same listing has a generic attribute Smartphone-Charging under Additional Features, which does not fit a speaker with only a charging input and an aux input, so it is not used.

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

2 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.

IPX71Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Waterproof rating IPX 7. TechRadar and Android Central call it IPX5, which is the 2017 launch wording and is not 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.

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

Not available

Measured

1 of 6 differ

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

Not available

15h9Measurementrtings.com/speaker/reviews/anker/soundcore-2Read 21 October 2026Public review text says its 15-hour battery life. The detailed result is members-only. RTINGS battery method on its test page, read 2026-10-21: fully charged, a track on loop at 80 dB SPL at 1 m until the speaker stops. Review dated 2021-01-22 and tested with Methodology v0.8. RTINGS tested the Black unit and also an Upgraded unit, and the text does not say which one gave the 15 hours. Firmware is not stated. The maker's 24 hours is up to and varies with volume, and 80 dB SPL at 1 m is a high listening level.

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

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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.

Width165Height54Depth45mm(6.5 × 2.1 × 1.8 in)4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Measurements say Item Dimensions D x W x H 1.77 in x 6.5 in x 2.13 in. This matches SoundGuys at 45 x 165 x 54 mm. The manual lists 168 x 47 x 56 mm without axis labels, so it is not used for the axes.7Spec databasesoundguys.com/product/anker-soundcore-anker-2Read 21 October 2026Specs list Dimensions Width 165 mm, Height 54 mm, Depth 45 mm. The same page lists Weight 400 g, which differs from the maker's 414 g and is not used.8Reviewtechradar.com/reviews/anker-soundcore-2Read 21 October 2026Review of the 2017 launch unit says it measures 165mm x 54mm x 45mm.

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.

414g(14.6 oz)1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026Specifications table says Weight 414 g / 14.6 oz. The manual size tuple 168 x 47 x 56 mm has no axis labels, so no dimensions are stored.

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.

Plastic, Rubber coating, Metal grille4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026Additional details say Enclosure Material Plastic.8Reviewtechradar.com/reviews/anker-soundcore-2Read 21 October 2026Review says the body is coated in grippy matte black rubber and the front has a black metal grille that hides two 6-watt drivers.

Certifications

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FCC IDs

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2AOKB-A3105, 2AOKB-A3105C10Regulatory filingfccid.io/2AOKBA3105Read 21 October 2026FCC ID 2AOKB-A3105, SoundCore 2, Anker Innovations Limited, grantee code 2AOKB and product code A3105. Mirror of the FCC database. Latest application 2023-08-24 for 2402 to 2480 MHz.11Regulatory filingfccid.io/2AOKBA3105CRead 21 October 2026FCC ID 2AOKB-A3105C, SoundCore 2, Anker Innovations Limited, original equipment grant 2025-09-29. It is the filing for the newer revision, which the Quick Start Guide V2 marks with a C as the 7th digit of the serial number.

Other certifications

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EU Declaration of Conformity (Radio Equipment Directive 2014/53/EU), EU RoHS Directive 2011/65/EU1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 October 2026EU declaration on the manual says Anker Innovations Limited declares that radio equipment type A3105 is in compliance with Directive 2014/53/EU.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3105QSG.pdfRead 21 October 2026Quick Start Guide V2 says Anker Innovations Limited declares that this product is in compliance with Directives 2014/53/EU and 2011/65/EU and amendment (EU) 2015/863.

In the box

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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, Power cable, Quick Start Guide4Retailer pageamazon.com/dp/B01MTB55WHRead 21 October 2026What's in the box: speaker, power cable, Quick Start Guide. The listing title says Bluetooth 6, which is the newer revision. The 2020 manual says Bluetooth 5.0, so no Bluetooth version is stored.

Links

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Product page

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

ca.soundcore.com/products/soundcore-2-portable-bluetooth-speaker3Maker product pageca.soundcore.com/products/soundcore-2-portable-bluetooth-speakerRead 13 October 2026Maker's Canadian product page. The US maker page did not load for this model. The page shows the product as sold out.

Spec sheet

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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.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdf1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000004369/en_US/000004369.pdfRead 21 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

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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.

1.5years2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3105QSG.pdfRead 21 October 2026Quick Start Guide V2 (PDF created April 2026) lists an 18-month limited warranty, so 1.5 years. The Amazon US listing also says 18 months. It repeats Input 5V 2A, charging time 3 hours and playtime up to 24 hours.

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