

🎸 Cut the cord, not your vibe—wireless freedom that rocks your world!
The BOSS WL-20L Wireless Guitar System delivers professional-grade wireless performance with ultra-low latency, 14 auto-select channels for interference-free sound, and up to 7 hours of rechargeable battery life. Designed for both active and passive pickups, this compact, plug-and-play system ensures pristine tone and reliable connectivity, empowering musicians to perform with total freedom and confidence.
| ASIN | B07F2PY7DD |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Battery type | Lithium Ion |
| Best Sellers Rank | #12,778 in Musical Instruments ( See Top 100 in Musical Instruments ) #17 in Instrument Microphones & Systems |
| Color Name | Black, Grey |
| Customer Reviews | 4.2 4.2 out of 5 stars (246) |
| Date First Available | June 27, 2018 |
| Global Trade Identification Number | 00761294513675 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.2 ounces |
| Item dimensions L x W x H | 4 x 2 x 1 inches |
| Item model number | WL-20L |
| Manufacturer | BOSS |
| Material | Plastic |
| Material Type | Plastic |
| Microphone Form Factor | Handheld |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
| Number of Channels | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 4 x 2 x 1 inches |
| Signal-to-Noise Ratio | 80 dB |
| Size | Compact |
| UPC | 761294513675 |
Q**E
Super-simple, low latency, 14 channels (auto-selects best one)
I play out just about every weekend (I'm a bass player) with a variety of instruments, both passive and active, made in 1983 through 2023. I've used, very successfully, the Fiddlerman FWS-10 for a couple of years without having a backup / replacement wireless system, so after a lot of research I settled in on the Bose WL-20L, primarily because of the 7-hour receiver battery life, the small size of the units, and the fact that EVERYTHING is auto-magic with them, including selecting the best channel available out of 14. I know there are some guitars / devices it won't work properly with because the little button next to the 1/4" jack isn't very long and it's used to turn the unit on and off, but it works with my tuner pedal, my Fender Rumble amps, and all five of my basses. Latency is absolutely negligable, the unit operates quietly, with great tone on both active and passive basses (just a slight tinge of crispness on passive basses). Some people have said that it makes a clicking noise. I can get it to do that too, if I PUT MY PHONE RIGHT NEXT TO THE RECEIVER OR IN MY POCKET ON THE TRANSMITTER SIDE OF MY BODY (don't do that, silly)., as it will interfere with the connection with the transmitter. The other key to having a great experience with this unit is to make sure everyone else has their wireless devices on before you plug your transmitter into your receiver to have it select a channel automagically (takes 10 seconds). You have more channels available to you with your Boss unit than they do with their puny human units, so it makes sense to choose last, and the Bose unit does a great job scanning the environment and getting you a clean channel. This is a fantastic, gig-worthy wireless system which is now my #1. No tone issues. No dropouts. No latency issues. No battery life issues (wish it was replaceable, but oh well). No range issues. It just works and you don't have to worry about it at all. Yes, like a lot of Bose stuff, it's a little pricey, but you get what you pay for. I need a reliable system to use 35-40 times a year playing out with my band, and that's exactly what I got in the Bose WL-20L.
J**.
Good, clean, fast, and built to work with active pickups
Have been using these for quite a while now, and yes, they are excellent! First off, you should know that these are THE wireless rig to get if you're plugging in to an instrument with active pickups, especially active bass. Other systems in the price range: (Joyo, Lekato, Spark Link) may not be clear in their labelling, but will probably fail over time in an active setup. If the system doesn't specifically say it's designed for active, then it probably shouldn't be used with it. My hard-learned lesson, your free advice. Anyway, on these Boss 20L, sound is pure, and latency is very low. Overall, a good, clean link to whatever you're running for a rig.
A**.
Great solution for musical comedian
Sound for doing musical comedy is such a challenge especially when having quick changeovers and having a sound system and sound person who isn’t familiar with instrumentation can be a real challenge. I bought this for a cabaret show so I couldn’t quickly play music on stage wirelessly. It worked great plugging directly into the PA with very minimal feedback. I won the cabaret that night! Also it was the least expensive I place I found it for.
S**M
Doesn’t work well with active pickups
I purchased this primarily to use with acoustic guitars having active pickup systems. It doesn’t work well with active pickups, so if that’s a deal killer, don’t buy these. My Breedlove has a battery pack at the input jack, and there’s a steady tick-tick-tick noise coming out of the amp/soundboard. If I put a dead 9v battery in the guitar, the transmitter/receiver works well - except I’m no longer using the guitar’s active system. I have an Anthem transducer/piezo pickup on my 12 string, and it produces a noticeable squeal, caused by incompatible grounding. If I touch the transmitter when it’s in place, the squeal goes away because I’m acting as ground. If I clip a metal capo on the guitar’s strap knob/input jack, it greatly reduces the squeal. I can EQ out the squeal on a soundboard, but that affects overall sound quality. This transmitter/receiver combo works great on a passive magnetic pickup. Excellent range, good sound quality and the batteries last a long time. Just make sure of what you’re going to use them for. FYI - Using a short length of TSR cable between the guitar and transmitter doesn’t work. I’m keeping these because they work great with my archtop, which has a floating humbucker. Definitely worth the money for that purpose.
G**S
Impressive!
Surprised and quite pleased at how well this wireless system functions. Unbeatable range, even around concrete walls in different rooms! No recognized latency, and both volume and tone appear unaffected. Unbeatable value with typical Boss build quality and durability. Highly recommend!!
A**J
I found these truly terrible. They did not work reliably with a Fender Acoustasonic without a cumbersome workaround. I have therefore returned them.
A**R
This is a really compact wireless audio system for any sort of regular line-out instruments, like synth keyboards or the Aerophone AE-10, which is what I'm using it for. It really couldn't be more easy to use. Charges via standard USB power source via USB-C cable, supplied. Just plug the transmitter into the receiver for both charging and quick pairing. It automatically selects best interference-free channel for transmission. So far I haven't experienced any distortion, drop-outs or RF interference, just solid wireless transmission without any noticeable degradation of sound quality or latency issues. It really does seem to work just as well as a cable. I'm very pleased with this system. I tried another less expensive one but found it had too much distortion on louder settings. This one doesn't distort even at very high volume settings. The battery gives you plenty of time for long gigs and rehearsals. I definitely would recommend this system -- and already have to a few other musician friends.
P**E
Works fine in reversal space but cuts in and out at any gig I’ve played so far. End up having to hardwire in. Horrible product!
G**S
Very practical and once charged they last a long time!
A**O
The seller is a gentleman, accepted the return, I didn't take a chance and buy them again, recently using a wire, they have good reviews generally but personally I cannot tell, bcz I didn't buy them again the compare and see how will the new pair work
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