Yamaha WS-B1A

Durability and portability in an upscale design and small package. This Bluetooth speaker lets you take True Sound with you anywhere you go.

  • Bluetooth®
  • IP67 grade (waterproof and dust resistant)
  • 55 mm Speaker Unit x 1
  • Battery charge via USB Type-C connection
  • Up to 12 hours of playback on a full charge (approx. 3 hours)
  • Wall mountable with key hole for a unified coarse screw
Categories: ,



Truly remarkable sound, right beside you – anywhere. Using Yamaha’s extensive knowledge of Hi-Fi quality, we’ve weaved our sonic expertise into this mini-scale 10 cm package, allowing your music to fit fully into your life – whether you’re listening casually or completely immersing yourself in the sonic power and detail.




The size of the WS-B1A is small, but its expressive range is huge. To bring this compact and stylish speaker to life, we’ve completely shifted our design paradigm and loaded the high-quality sound of a full-fledged speaker that Yamaha is renowned for into a compact design.


Bring True Sound into your intimate circle. Special fabric lets the sound through. A design that enhances any interior, with colors that lend light and warmth to your space, wherever you take it.


The WS-B1A is built to strong IP67 grade waterproof performance, and allows you to play your music clearly anywhere, anytime – even where it’s wet.

MusicCast SurroundNo
MusicCast StereoNo
BluetoothVersion/ProfileVer. 5.0 / A2DP, AVRCP
Maximum Communication Range10 m / 32.8 ft. 10 in. (without interference)
Speaker Unit55 mm (2-1/8″) full range x 1, Passive radiator x 2
Maximum Output Power10 W (1 kHz, 10% THD)
Power SupplyUSB Type C or Charging teminal (CC-T1A)
BatteryContinuous Playback TimeUp to 12 hrs
Charging TimeApprox. 3 hrs
Waterproof RatingIP67
Dimensions (W x H x D)88 x 105 x 88 mm (3-1/2″ x 4-1/8″ x 3-1/2″)
Weight0.49 kg (1.08 lbs)
ColoursBlack, Carbon Gray, Light Gray