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Boss WL-20 Compact Wireless Guitar System

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Product Description

Full Description

Boss' Wireless Technology

For the WL-20, Boss used the high-performance wireless technology that debuted in the Katana-Air, providing players with incredible sound quality and a wide dynamic range. The system runs at a 2.4 GHz frequency band and automatically selects the optimum channel, delivering a rock-solid audio performance with absolutely no chance for the signal to drop out. The Wl-20 also features an ultra-low latency of 2.4ms, ensuring players receive no lag between playing a note and hearing it.

Built-In Cable Tone Simulation

The addition of a cable tone simulation recreates the natural capacitive effect that's produced when a guitar or bass with a passive pickup is connected to a 10ft guitar cable. This slight effect adjusts the level of treble the guitar produces, adding a warm characteristic for an ultra-realistic, wired performance.

Quick & Easy Setup

Unlike other wireless systems which have you fiddling with channels, frequencies, and other requirements, the Boss WL-20 only requires you to dock the transmitter in the receiver for 10 seconds. This automatically sets the system up with the optimum connection and lets you simply plug in and start rocking out. This Wireless system also charges via a micro USB cable, letting you charge the transmitter and receiver anywhere in the world.


  • Plug-and-play wireless systems for guitar, bass, and other electronic instruments
  • No complicated setup required—simply dock the transmitter and receiver together for about 10 seconds to set the optimum wireless connection
  • Newly developed Boss technology delivers premium audio performance with rock-solid stability, ultra-low latency (2.3 ms), and 50-foot/15-meter range (line-of-sight propagation)
  • Built-in rechargeable batteries provide up to 12 hours of continuous playing time
  • Simple charging with a standard USB adaptor (5 V/500 mA or greater)
  • Cable tone simulation reproduces the natural capacitive effect of a 10-foot/3-meter guitar cable



  • Wireless Format: BOSS Proprietary Digital Audio Format
  • Wireless Carrier Frequency: 2.4 GHz
  • Compatible Channels: 14 (May Vary Due to Local Conditions)
  • Transmission Range: Up to 50 Feet Line-of-Sight (May vary due to local conditions)
  • Latency: 2.3 ms
  • Dynamic Range: 110 dB or greater
  • Frequency Response: 20 Hz--20 kHz
  • Nominal Output Level: -10 dBu
  • Output Impedance: 1 k ohm
  • Recommended Load Impedance: 10 k ohms or greater
  • Indicators: POWER, RECEIVE
  • Connectors:
    • Output plug: 1/4-inch TRS phone type
    • TRANSMITTER jack: 1/4-inch TRS phone type
    • DC IN 5 V port: USB Micro-B type
  • Power Supply: Rechargeable Lithium-Ion Battery, Supplied from the DC IN 5 V port
  • Current Draw:
    • During Wireless Operation: 60 mA
    • While Charging: 500mA
  • Battery Charging Time:
    • Charging Only the Receiver: Approximately 3 Hours
    • Charging Simultaneously with the Transmitter: Approximately 4 Hours
  • Expected Battery Life Under Continuous Use: Approximately 10 Hours
  • Accessories:
    • Owner's Manual
    • Transmitter
    • Micro USB cable for charging (Use a standard USB AC adaptor (5 V/over 0.5 A) for charging.)

Transmitter (WL-T)

  • Nominal Input Level: -10 dBu (1 M ohm)
  • Indicator: BATTERY
  • Connectors:
    • Input Plug: 1/4-inch TRS Phone Type
    • DC IN 5 V Port: USB Micro-B Type
  • Power Supply: Rechargeable lithium-ion battery, Supplied from the DC IN 5 V port
  • Current Draw: 350mA
  • Battery Charging Time: Approximately 3 Hours
  • Expected Battery Life Under Continuous Use: Approximately 12 hours


  • Width:
    • Receiver: 87 mm (3-7/16 inches)
    • Transmitter: 87 mm (3-7/16 inches)
  • Depth:
    • Receiver: 25 mm (1 inch)
    • Transmitter: 22 mm (7/8 inches)
  • Height:
    • Receiver: 38 mm (1-1/2 inches)
    • Transmitter: 36 mm (1-7/16 inches)
  • Weight:
    • Receiver: 60 g (3oz)
    • Transmitter: 43 g (2oz)

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