BOSS WL-20 Wireless System

Product ID: 206968
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  • Excellent wireless guitar system for high impedance instruments
  • Perfect for passive pickup powered guitars and basses
  • Lightweight yet solid construction that is perfect for touring artists
  • Fuss-free design with simple docking procedure and automatic setup
  • USB charging can power both transmitter and receiver simultaneously
  • Ultra-low latency transmission up to 50-foot range
  • Equipped with Cable tone simulation retains warm character associated with high frequency roll-off produced by standard guitar cables (WL-20 model only)
  • Includes micro USB cable to get you charged in no time
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Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
Overseas Please call for details Please call

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The BOSS WL-20 Wireless System is designed to give you total freedom to move without a restrictive cable to hold you back. Whether you're jamming with friends or laying down licks on the stadium stage, the WL-20 lets you tear it up with style. Equipped with ground-breaking, fuss-free BOSS wireless technology, you have pro-level performance at an affordable price.

Plug and play connectivity

The BOSS WL-20 is designed to take the fuss out of any setup. Simply plug the receiver into amp and the transmitter into your guitar, the system will do the rest and you're good to go. Thanks to some ingenious engineering on BOSS' part, the WL-20 automatically finds the optimum wireless connection after docking for 10 seconds. After that you're left with ultra-low latency audio performance with a 50-foot range to explore. It is pretty safe to safe that whether it’s a pub or stadium stage, 50-foot is ample space for stretching the legs.

The WL-20 system is designed with Cable Tone Simulation, which replicates the high-frequency roll off that comes with traditional guitar cables, retaining the warmth of your high impedance passive powered pickups. If your guitar or bass is equipped with passive pickups, then you will love the effect introduced by the Cable Tone Sim. However, those with guitars or basses that utilise active pickups or those with line-level instruments (e.g. electro-acoustic guitar, keytar), then you will be better serviced by the BOSS WL-20L Wireless System.

USB charging made simple

The BOSS WL-20 Wireless Guitar System is equipped with lithium-ion rechargeable batteries that are designed to afford long battery life, getting you through the most demanding of performances. A full charge provides 12 hours of time for the transmitter and 10 hours for the receive, so you can shred through sets to your heart's content. Simply dock the transmitter to the receiver, connect a standard USB adaptor and leave them to charge. Each component can be charged separately, and BOSS have included a micro USB cable with each system.

Lightweight yet resilient

The BOSS WL-20 Wireless System transmitter and receiver are lightweight yet resilient enough to cope with the general bumps and knocks that come with touring life. You can rest assured that the team at BOSS have gone to great lengths to ensure that the WL-20 is built to last and will get you through any gig with ease.

ModelWL-20 Wireless System
Specifications (Receiver)
Dimensions (H x W x D) 38 x 87 x 25 mm
Weight 60 g
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 Input Level -10 dBu
Input Impedance 1 M ohm
Nominal Output Level -10 dBu
Output Impedance 1 k ohm
Recommended Load Impedance 10 k ohms or greater
  • OUTPUT plug: 1/4-inch phone type
  • TRANSMITTER jack: 1/4-inch TRS phone type
  • DC IN 5V 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: 500 mA
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
* These figures will vary depending on the actual conditions of use.
  • Owner's Manual
  • Transmitter
  • Micro USB cable for charging (*1)
  • *1: Use a standard USB AC adaptor (5 V/over 0.5 A) for charging.
Options (sold separately) AC adaptor: PSA-S series
Parallel DC cord: PCS-20A (DC Plug x8)
Specifications (Transmitter (WL-T)
Dimensions (H x W x D) 36 x 87 x 22 mm
Weight 43 g
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
* These figures will vary depending on the actual conditions of use.
Posted on 04/01/2019 by Aga I would definitely recommend this to my fellow guitarist if you are heading down to wireless route. Choosing between Line 6 Relay G10 and Boss WL-20, I chose the latter from watching youtube reviews. Boss WL-20 simply gives you wireless freedom compared to Line 6 Relay G10 that has base unit where you still need to plug it to a power output. So the decision from there was simple easy as I really want less cables on my setup.

Using the Boss WL-20 is simple straightforward and don't notice any lag. Also can't tell any difference from having a cable plugged in so truly satisfied with my purchase.
Posted on 10/10/2018 by richard The system is good and we noted no ill effects with a number of different players at our club. But with bass guitars there is a drop off in volume with the lower notes. This is within the published frequency range and I think shouldn't happen.

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