Boss WL-20 Wireless System
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- This item is covered for 3 years
Essential Information About the BOSS WL-20 Wireless System
Essential Information About the BOSS WL-20 Wireless System
- Ultra Simple Plug & Play: plug in the transmitter and receiver, play immediately without complex setup.
- Premium Sound at 2.4 GHz: proprietary BOSS digital audio transmission for faithful reproduction and wide dynamics.
- Freedom of Movement: up to 15 m in direct line of sight, ideal at home, rehearsals, or on stage.
- Low Latency: 2.3 ms to maintain natural playing feel.
Manufacturer Information
Boss
https://www.roland.com
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Safety manager:
Roland Central Europe N.V.
Email:
Address:
A WL-20 Solution Designed to Forget Cable Constraints
Designed to make wireless accessible daily, the WL-20 range targets musicians who want to keep the reflexes of using a cable... without the cable. Compact format, quick startup, and comfortable battery life: the goal is clear, to let you focus on playing rather than technology.
For Whom and In What Uses?
The BOSS WL-20 is aimed at guitarists and bassists (and any instrument with a Jack output) who want to move freely. In rehearsal, you no longer struggle with floor clutter. On stage, you can get closer to other musicians, energize your presence, and even listen to your sound on the front-of-house during soundcheck to precisely adjust your settings.
A Compact, Responsive, and Ready-to-Play Wireless System
Fast and Stable Transmission
The system uses a 2.4 GHz carrier with up to 14 compatible channels (depending on local conditions). The result: smooth use, extended frequency response from 20 Hz to 20 kHz, and a dynamic range rated at 110 dB or more.
Simple Charging and Battery Life Suitable for Long Sessions
Both transmitter and receiver feature rechargeable lithium-ion batteries. The receiver can also be powered via its DC IN 5 V port (USB Micro-B), convenient for long rehearsal days or fixed setups.
Technical specifications
| Frequency response - start | 20 Hz | Number of channels | 14 |
| Frequency response - end | 20 kHz | Frequency band | 2,4 GHz |
| Category | Complete system | Color | Black |
| Wireless Format | proprietary BOSS digital audio format | Current Consumption | 60 mA during wireless operation; 500 mA during charging |
| Wireless Carrier Frequency | 2.4 GHz | Battery Charging Time | receiver only about 3 hours; simultaneous charging with transmitter about 4 hours |
| Compatible Channels | 14 (may vary depending on local conditions) | Battery Life in Continuous Use | about 10 hours (may vary depending on actual usage conditions) |
| Transmission Range | up to 15 meters in direct line of sight (may vary depending on local conditions) | Accessories | owner's manual; "USING THE DEVICE SAFELY" leaflet; transmitter; micro USB charging cable |
| Latency Time | 2.3 ms | Width | 87 mm |
| Dynamic Range | 110 dB or more | Depth | 25 mm |
| Frequency Response | 20 Hz - 20 kHz | Height | 38 mm |
| Nominal Output Level | -10 dBu | Weight | 60 g |
| Output Impedance | 1 k ohm | Nominal Input Level | -10 dBu (1 M ohm) |
| Recommended Load Impedance | 10 k ohms or more | Indicator | BATTERY |
| Indicators | POWER / RECEPTION | DC IN 5 V Port | USB Micro-B type |
| Connectors | 6.35mm TRS Jack output; 6.35mm TRS Jack transmitter input; DC IN 5 V USB Micro-B port | Expected Battery Life in Continuous Use | about 12 hours (may vary depending on actual usage conditions) |
| Power Supply | rechargeable lithium-ion battery / powered via DC IN 5 V port | ||
Customer reviews
Based on 2 reviews
- 5 stars, 2 reviews
- 4 stars, 0 reviews
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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Very good product, used for 2 rehearsals of 2 hours and a concert of 2.5 hours without having to recharge it.
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I am still testing it, but the product seems very good for what it offers.
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Questions frequently asked
Is the Boss WL-20 compatible with a guitar or bass?
This model connects to instruments equipped with a 6.35 mm jack output, including guitars and basses. The transmitter features a 6.35 mm TRS jack and accepts a nominal input level of -10 dBu with an impedance of 1 MΩ.
What is the range of the WL-20 wireless system?
The transmission reaches up to 15 meters with line of sight. This range may vary depending on local conditions and the 2.4 GHz radio environment.
What is the latency when playing guitar with the WL-20?
The stated latency is 2.3 ms, with a frequency response from 20 Hz to 20 kHz.
How many hours of battery life does the Boss WL-20 provide?
The transmitter runs for about 12 continuous hours, while the receiver lasts about 10 hours. Both use a rechargeable lithium-ion battery. The receiver can also be powered via its USB Micro-B DC IN 5 V port.
How is the WL-20 charged and what accessories are included?
Charging is done with the supplied micro USB cable. Expect about 3 hours for the receiver alone or 4 hours for simultaneous charging of the transmitter and receiver.



