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OTR Walnut

Each MUZEN Walnut is hand-carved and tailor-made with real raw wood to accentuate timbre


Winner of the CES Innovation Awards, MUZEN OTR Walnut is extremely loud with quality sound. Made of the finest raw wood for perfect sound clarity and wooden timbre resonance. Crafted with the consideration of convenience and aesthetics, each portable MUZEN OTR Walnut comes with a unique carrying case that allows ease of mobility.


BLUETOOTH 4.0 TECHNOLOGY: Compatible with all Bluetooth-enabled devices. Instantly connects to your smartphone, tablet, or computer from up to 33 ft/10m away. MUZEN OTR Rosewood automatically reconnects to the last device used.

FM RADIO: MUZEN OTR Walnut picks up FM radio stations local to your location. Tune the dial to listen to your favorites!


Built-in Li-Ion 1000mAh rechargeable battery guarantees up to 10 hours playtime in 65% volume.

Recharge fully in just 2-3 hours with the included micro USB cable.


MUZEN OTR Walnutwood portable Bluetooth speaker&FM radio is crafted with durable walnut wood, has a compact size of 3.7 * 2.83 * 2.21 inches.


The whole body of MUZEN OTR Walnut is made to be the perfect retro vintage look for home decor. Designed to look like a 1964 radio, MUZEN OTR Walnut will bring out all the nostalgia. 



  • Bluetooth, FM radio, and AUX Functionality
  • Product Dimensions: 3.7 * 2.83 * 2.2 in
  • Speaker: 40mm / 1.57 in neodymium iron boron, full frequency
  • Battery: Rechargeable lithium polymer battery (3.7V/1000mA)
  • Net Weight: 0.43 lb
  • Battery Life: 8-10 hours
  • Frequency Range: 87-108 MHz
  • SNR: > 60db
  • Distortion: ≤ 0.5%
  • Bluetooth Version: 4.0
  • Bluetooth Frequency Range: 5m≤distance≤10m / 16.4ft≤ distance≤ 32.8ft
  • Bluetooth Connection Distance: 2402 MHz to 2480 MHz
  • Warranty: 12 months



    • Leather-look carrying case
    • MUZEN OTR Walnut Bluetooth speaker&FM radio
    • *FREE BONUS* Detachable antenna
    • Stickers
    • Postcards
    • Warranty card
    • Catalog
    • User manual
    • AUX cable
    • Charging cable