Yamaha WX-021 MusicCast 20 Wireless Speaker Black - Refurbished

Yamaha WX-021 MusicCast 20 Wireless Speaker Black - Refurbished

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A compact wireless speaker from Yamaha (model WX-021) in black with Wi-Fi, Bluetooth, AirPlay 2 and MusicCast multi-room. It can be used alone, as a stereo pair, or as surround speakers with select MusicCast products.

THIS IS A REFURBISHED MODEL. 12 MONTH WARRANTY APPLIES, ITEM MAY NOT COME IN ORIGINAL BOX/PACKAGING

Yamaha says the MusicCast 20 delivers versatile listening with ease: use it as a standalone speaker, paired, or as surround speakers with a compatible MusicCast AV receiver or sound bar. It has music streaming services built in, and the free MusicCast app controls it.

Wireless
Wi-Fi (2.4 / 5 GHz), Bluetooth 4.2
AirPlay
AirPlay 2 (via firmware update)
Output power
40 W (25 W + 15 W)
Drivers
3.5 in woofer, 1-1/8 in tweeter, 2 passive radiators
Wired
Ethernet
Weight
2.2 kg

Why you will love it

Streaming and High-Resolution Audio

Yamaha says you can sync playlists and song likes from your phone or computer and listen through built-in music streaming services. Yamaha notes that streaming service availability varies by region and services may change or end without notice.

Yamaha lists support for MP3, WMA and AAC up to 48 kHz / 16-bit, ALAC up to 96 kHz / 24-bit, and FLAC, WAV and AIFF up to 192 kHz / 24-bit.

Black Yamaha MusicCast 20 wireless speaker on a wooden shelf

Wireless connection

Connect over Bluetooth or over Wi-Fi with AirPlay 2. Yamaha lists AirPlay 2 as available through a firmware update. Bluetooth is version 4.2 with A2DP and AVRCP. Codecs are SBC and AAC, with AAC receiving only.

An Ethernet port is also provided.

MusicCast multi-room, stereo and surround

Connect MusicCast devices to the same network and share audio through the home. Yamaha offers a demo mode in the free MusicCast app so you can try it.

Two MusicCast 20 speakers can be used as a stereo pair. For home theatre, Yamaha says the MusicCast 20 can sit at the back of the room in place of wired surround speakers when connected wirelessly to a compatible MusicCast AV receiver or sound bar. Yamaha lists MusicCast Surround as dual only, meaning two speakers.

Black Yamaha MusicCast 20 wireless speaker, top and side view

Presets and alarm

Soft-touch presets give instant playback of your chosen sources. Yamaha also lists an alarm with snooze and sleep functions.

Is it right for you?

A great fit if you…

  • Want a small wireless speaker for a desk, shelf or kitchen
  • Already use MusicCast and want multi-room audio
  • Want two speakers as a stereo pair or as surround speakers with a MusicCast AV receiver

Worth knowing

  • This is a refurbished unit; please read the condition note at the top of this page
  • MusicCast Surround works only with select MusicCast AV receivers and sound bars, and Yamaha lists it as dual only (two speakers)
  • Yamaha lists AirPlay 2 as available via firmware update
  • Streaming service availability varies by region, per Yamaha
  • It needs mains power: Yamaha lists AC power and no battery

Build your system

The MusicCast 20 works alone. Add a second unit for stereo, or use MusicCast products for multi-room.

Specifications

Wireless

Wi-Fi Yes (2.4 / 5 GHz)
AirPlay Yes (AirPlay 2 via firmware update)
Bluetooth Ver. 4.2 + EDR / A2DP, AVRCP
Bluetooth codecs SBC, AAC (receiving only)
Max communication range 10 m (without interference)
Ethernet Yes
MusicCast Surround Yes (dual only)
MusicCast Stereo Yes

Audio

Speaker units 9 cm (3-1/2 in) woofer x 1, 3 cm (1-1/8 in) soft dome tweeter x 1, passive radiator x 2
Maximum output power 40 W (woofer 25 W + tweeter 15 W)
File formats MP3 / WMA / AAC up to 48 kHz / 16-bit; ALAC up to 96 kHz / 24-bit; FLAC / WAV / AIFF up to 192 kHz / 24-bit
Preset memory Yes
Alarm Alarm, snooze, sleep

General

Power supply AC
Power consumption 10 W
Standby power 1.9 W (network and Bluetooth standby on), 0.3 W (both off)
Dimensions (W × H × D) 150 × 186 × 130 mm
Weight 2.2 kg
Colours Black, White

Specifications from Yamaha Australia's MusicCast 20 specification page, checked November 2026.

Questions people ask

Is this unit new?

No. This is a refurbished unit. Please read the condition note at the top of this page.

Does it support AirPlay 2?

Yamaha lists AirPlay 2 as available via firmware update.

Can I use two as a stereo pair?

Yes. Yamaha lists MusicCast Stereo, which needs two units.

Can it be used as a surround speaker?

Yes, with select MusicCast AV receivers and sound bars. Yamaha lists MusicCast Surround as dual only, so two speakers.

Does it work over Bluetooth?

Yes. Bluetooth 4.2 with A2DP and AVRCP, using SBC and AAC (receiving only).

Does it have a battery?

Yamaha lists AC power and no battery.

5.0
Rated 5.0 out of 5 stars
Based on 1 review
100%would recommend this product
1 review
  • EF
    Eric F.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Great to deal with and fast delivery

    Title says it all. Fast delivery and great speaker.

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