Boss - WL-T Wireless Transmitter
The WL-T Wireless Transmitter is compatible with WL-series wireless systems and the Katana-Air wireless guitar amp, providing a spare to use if your original transmitter is lost or damaged. When pre-charged, it also functions as a backup transmitter for live performances. To charge the WL-T’s built-in battery and establish a connection to your BOSS wireless receiver, simply follow the same procedures used with the original transmitter included with your system.
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The Nantel Verdict
The Nantel Verdict
Direct compatibility with Boss WL-series systems and Katana-Air; integrated rechargeable battery; identical pairing protocol to stock transmitter; hot-swappable design for uninterrupted performance.
Requires existing WL-series receiver or Katana-Air amp to function; battery longevity depends on charge maintenance; consider a dedicated charging dock if managing multiple transmitters.
Essential backup hardware for touring players. Eliminates the catastrophic scenario of a failed transmitter killing a live set. Seamless integration and straightforward charging make it practical insurance at a reasonable price point.
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WL-T Wireless Transmitter
Spare Transmitter for the WL Series, KATANA-AIR and WAZA-AIR
The WL-T Wireless Transmitter is compatible with WL-series wireless systems and the Katana-Air wireless guitar amp, providing a spare to use if your original transmitter is lost or damaged. When pre-charged, it also functions as a backup transmitter for live performances. To charge the WL-T’s built-in battery and establish a connection to your BOSS wireless receiver, simply follow the same procedures used with the original transmitter included with your system.
The WL-T works with the following BOSS wireless products:
- WL-20
- WL-20L
- WL-50
- KATANA-AIR
- WAZA-AIR
Note: The WL-T has no audio functionality as a standalone device. To transmit sound, it must be used in conjunction with the wireless receiver in one of the products listed above.
Specifications |
|
| Nominal Input Level | -10 dBu (1 Mohms) |
| 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 | 350 mA |
| 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. | |
| Accessories | Owner's Manual |
| Applicable Models | KATANA-AIR |
| WAZA-AIR | |
| WL-20 | |
| WL-20L | |
| WL-50 | |
Size and Weight |
|
| Width | 87 mm |
| 3-7/16 inches | |
| Depth | 22 mm |
| 7/8 inches | |
| Height | 36 mm |
| 1-7/16 inches | |
| Weight | 43 g |
| 2 oz | |
| * 0 dBu = 0.775 Vrms | |
| *The specifications are subject to change without notice. |
Boss, a division of Roland Corporation, has been a leader in guitar effects, amplifiers, and wireless audio solutions since the 1970s. The company is renowned for combining robust engineering with intuitive design, earning trust from professional and amateur musicians worldwide.
Boss wireless systems are built with performance reliability in mind, featuring secure transmission, low latency, and straightforward setup—qualities that have made the brand a standard choice for live performers and studio musicians alike.

