Record single-person livestreams, interviews, or other creative content with the BY-WM3U Mini Wireless Microphone System from OBSBOT using its tiny clip-on transmitter with built-in microphone and plug-in receiver with interchangeable adapters. Attach your transmitter to your talent's lapel and insert your receiver into your compatible device of choice. Both the receiver and transmitter can communicate from up to 65.6' away via 2.4 GHz frequency.
Plug-In Receiver with Interchangeable Adapters
Three included adapters—3.5mm TRS, 3.5mm TRRS, and USB-C—slide into the designated slot on the backside of the receiver to then plug-in to your device of choice.
Record audio to your USB-C smartphone, tablet, personal computer, or camera.
Clip-On Transmitter
Secure the transmitter to your talent with the integrated clip. A built-in omnidirectional microphone captures sound without needing to perform complicated pairing. Mute the microphone with the onboard power button.
Charging Case
All components of the BY-WM3U system feature built-in rechargeable batteries. The transmitter and the receiver have 100mAh batteries while the charging case has a 1000mAh battery. Use the transmitter for up to 4.5 hours at a time and the receiver for 8 hours at a time. The case recharges the components in 2 hours.
Compatible OBSBOT Cameras
OBSBOT Tiny, Tiny 2, Tiny 4K
OBSBOT Tail Air
OBSBOT Meet, Meet 4K
System
Wireless Technology | Digital 2.4 GHz |
Diversity | Non-Diversity |
Max Operating Range | 65.6' / 20 m (Line of Sight) |
Max Transmitters per Band | 1 |
Encryption | No |
Built-In Recorder | No |
Timecode Support | No |
Mobile App Compatible | No |
Receiver
Receiver Type | 1x Plug-In (Interchangeable Connector) |
Mounting Options | 1/8" / 3.5 mm TRRS Plug-In, 1/8" / 3.5 mm TRS Plug-In, USB-C Plug-In (with Included Adapters) |
Antenna | 1x Internal |
Number of Audio Channels | 1 |
Audio I/O | 1x 1/8" / 3.5 mm TRS Male Unbalanced Output 1x 1/8" / 3.5 mm TRRS Male Unbalanced Output |
USB/Lightning Connectivity | 1x USB-C Male USB Class Compliant |
Frequency Response | 20 Hz to 20 kHz ±3 dB |
Display | Single-LED Indicators Only |
Power Requirements | Battery |
Transmitters
Included Transmitters | 1x Clip-On |
Antenna | Internal |
Input Level | Microphone |
Audio I/O | No |
USB I/O | No |
Muting | Off/On Switch |
Auto-Level/Gain | No |
Frequency Response | 20 Hz to 20 kHz |
Display | Single-LED Indicators Only |
Microphones
Microphone Type | 1x Built-In (Clip-On Transmitter) |
Polar Pattern | Omnidirectional |
Frequency Response | 20 Hz to 20 kHz |
Sensitivity | -42 dB (at 1 kHz) |
Color | Black |
Power
Receiver Battery Type | 1x Built-In Rechargeable - 100 mAh |
Receiver Battery Life | 8 Hours |
Transmitter Battery Type | 1x Built-In Rechargeable - 100 mAh |
Battery Charging Time | 4.5 Hours |
Charging Case
Battery | 1000 mAh Rechargeable |
Recharge Time | 2 Hours |
Charging Input | USB-C |
Physical
Environmental Resistance | No |
Dimensions | Case: 3.3 x 2.5 x 1.2" / 85 x 63 x 30 mm Receiver: 2.1 x 0.6 x 0.6" / 54 x 15.6 x 15.6 mm Transmitter: 2 x 0.7 x 0.6" / 51.8 x 18 x 15.6 mm |
Weight | Case: 4.6 oz / 129 g Receiver: 0.3 oz / 9.5 g Transmitter: 0.4 oz / 10.5 g |
Packaging Info
Package Weight | 0.755 lb |
Box Dimensions (LxWxH) | 7.95 x 4.25 x 1.85" |