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🎶 Cut the cords, not the vibe — wireless freedom for the modern musician!
The BOSS WL-20L Compact Wireless Instrument System offers professional-grade wireless audio for guitars, basses, and electronic instruments. Featuring a 15-meter range, ultra-low 2.3 ms latency, and up to 12 hours of rechargeable battery life, it delivers rock-solid, plug-and-play performance with no complicated setup. Designed for active pickups and line-level instruments, this system ensures pristine sound quality and reliable connectivity for gigs, rehearsals, and studio sessions.

| ASIN | B07DPKZFRZ |
| Audio Output Mode | Stereo |
| Audio Output Type | digital_wireless |
| Best Sellers Rank | 9,556 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 311 in Wireless Microphones & Receiver |
| Bluetooth support? | No |
| Box Contents | Owner's Manual |
| Brand Name | BOSS |
| Colour | multicoloured |
| Compatibility Options | Guitar, Bass, Electro-acoustic Guitar, Keyboard |
| Compatible Devices | Bass, Guitar |
| Connectivity Technology | USB |
| Connector Type Used on Cable | USB |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (320) |
| Enclosure Material | Plastic |
| Hardware Interface | Radio Frequency |
| Includes Remote | No |
| Installation Type | wireless |
| Item Type Name | Wireless System |
| Item Weight | 0.23 Grams |
| Lithium Battery Energy Content | 2.22 Watt Hours |
| Lithium Battery Weight | 0.18 Grams |
| Manufacturer | Roland |
| Media Types | RF |
| Model Name | Wl-20L |
| Number of Batteries | 2 Lithium Polymer batteries required. |
| Number of Channels | 1 |
| Number of Lithium-ion Cells | 2 |
| Power Source | Battery Powered |
| Product Features | Low Latency |
| Product Warranty | 1 year. |
| Rechargeable Battery Included | Yes |
| Supported Application | Any audio application |
| Supported Standards | 2.4 GHz radio frequency, BOSS technology |
| Wireless Compability | 2.4 GHz Radio Frequency |
C**.
Good product. For those trying to decide whether to get this 'L' version or the other read on...
Well made and works great. No noise. Some smart design features: it has no switches and it switches on when plugged in. Pairing is achieved just by plugging one unit into the other and they can be charged in this way too, meaning they require only one lead. All good ideas. Compared to a lot of the cheaper units, the battery is clearly physically bigger (and probably of higher quality) which will be why Boss can claim 10 hours of operating time. I tried two cheaper makes before buying this: The Lekato WS-70 and the Getaria one: The WS-70 has rave reviews everywhere but it did horrible things to my sound despite otherwise working well - it squashes out all the attack and is dull. The Getaria is great for its cheap price but it's a little noisy when used with distortion and the construction is somewhat flimsy compared to the Boss. I agonised over whether to buy this version or the version which simulates the treble roll-off caused by the capacitance of a lead. Even Boss' own sites contradict themselves a bit, with one saying the 'L' stands for low impedance and the other saying the only difference is the treble cut. After watching a Youtube video of a guy comparing the other one to a good lead, it seemed more like it was simulating a curly lead from the 1970s. The treble roll of was too much so I opted for this one - which they recommend as being for active guitars and synths etc. My own comparisons found this to be very similar to using a good quality lead so I don't really see the point of the other one. Why they didn't just make one model and put a switch on it for that I don't know. Also, on this 'L' version, the transmitter is a different colour to the receiver which seems like a useful and obvious thing to do, whilst on the other version they are the same. Unless you think that a fairly substantial treble cut would be a good thing for you I would buy this one. UPDATE Have now done four or five gigs with the system and it's been flawless. Worth the extra money over the cheaper systems.
W**E
Excellent, for performing.
Very easy to set up, long time to charge (6hrs) but last for at least 3 or 4 hours live playing or practice. Maybe more if you need it. Boss quality built, and fit several different guitars 🎸
D**S
Excellent and robust
This is a robust and compact wireless cable replacement. extremely well made and works well over long distances (10m through solid walls). Works perfectly with passive pick-ups on my Gretsch, Ibanez and Yamaha guitars. The WL-20 version (supposedly for passive pick-ups) made a fairly loud buzzing noise through the amp so I exchanged it for this which solved the problem. Oh, and it might knock out your WIFI while you’re using it too- so be warned!
J**E
For solar Guitar owners
Fantastic piece of equipment, less hassle with cables in the way for rehearsing. No issues with latency. Sounds great, doesn’t affect tone. I will say that you should be aware of owing a V shape guitar that the input jack on mine is at the back of the body. the transmitter is rubbing against my torso and leg where it could affect the signal touching against it. It could be designed a bit better for a better ergonomic use where you could adjust the transmitter out of your way depending where your input jacks are on the guitar where it’s not going to interfere.
M**K
Great sound
Very handy bit of kit to have for live gigs, saves all the heartache of restricted manoeuvrability that comes with a lead, not to mention removing trip hazards. The sound quality has been perfect for me, and I haven’t experienced any signal interference. I would suggest first time users read the instructions carefully. You should twin the paired devices only after you have fully set up your stage and all the other instruments or tech you are using. The device will scan the venue for all other signals, and jump on a frequency that doesn’t clash with what’s already pinging around the space. My only wish is that the battery lasted longer. For longer sets you will need to disconnect it from your instrument and plug it in to charge at a convenient moment.
S**O
Died after 2 years
Lasted 2 years. Thought it was interference onstage at the end. Turns out it was the batteries just dying. Died onstage right before first song
P**4
Superb !
These are great, plug & play straight from the box after a good charge - have worked flawlessly every time I have used them. Nice rugged construction as well. Highly recommended...
T**B
It works as described
You do need to be patient when doing first charge, it takes a while. After that recharging is pretty quick. I have used it continuously for a 4 hour session and it lasted just fine; I have no reason to doubt their claimed battery charge life. I chose this version as I wanted to use with both electric and acoustic guitars. (I already have a wl50 on my pedalboard - so knew the technology worked).
C**4
Tient bien la charge, simple à utiliser, appairage automatique, pas de "ploc" quand on les déconnecte.
菊**菊
無線でギターからアンプに接続可能なワイヤレスシステムです。 トランスミッターにも、レシーバーにもマイクロUSBタイプBで充電可能な口がありますが、連結することで、同時充電も可能です。付属品としてUSBタイプAで充電可能なケーブルが1本同封されてます。 ちなみに、使用しないときは連結を外さないと、放電されるようで、注意が必要です。 最初はトランスミッターとレシーバーのコネクションがうまくできず、音が聞こえない事象がありましたが、フル充電(トランスミッターとレシーバーのそれぞれが緑の点灯)になってから連結を外し、しばらく経ってから二つを連結したら説明書通りのコネクションが確立され、音が出るようになりました。 買う時に気にしたポイントとしては2つあり、一つはレイテンシー、もう一つは音質でした。 レイテンシーに関しては、全く問題ありません。シールドで繋いでいるのではないかと思うほど、遅延はありませんので、この点は評価高いです。 もう一つの音質ですが、私はプロではないですし、機械を使った測定まではしてませんが、特段違和感は感じませんでしたので、この点も問題なさそうです。 ちょっと高価ではありますが、ライブなどで音が途切れたり、音が出なかったりしたら台無しですので、高くても良いものを選ぶことで安心して演奏できるかなと思いました。 実際、使ってみてこの製品で正解でした。やはりコードが無いとのびのび演奏でき、細かいですが演奏中のコード周りの気になるストレスも減り、快適です!!
F**R
Bu ürün maalesef ortamda kablosuz modem, ya da radyofrekans yöntemiyle çalışan başka cihaz olduğunda sürekli bağlantı kopması sorunu yaşatıyor. asla güvenilir bir cihaz değil. hayatımda ilk defa bir alışveriş sitesine yorum yazıyorum. kablosuz modem olmayan yer mi var ? büyük bir hayalkırıklığı, paramı sokağa atsaydım daha iyiydi.
A**O
A mi me funciona muy bien lo uso para acordeón con micrófonos masiv
S**Y
Works without interference. Good price and fast delivery from the UK.
Trustpilot
2 months ago
2 days ago