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
OBSBOT BY-WM3U Specs
Key Specs
| Wireless Technology | Analog/Digital Hybrid |
| Included Transmitters | 1x Clip-On with Microphone |
| Diversity | Non-Diversity |
| Max Operating Range | 65.6' / 20 m (Line of Sight) |
| Receiver Type | Plug-In (USB-C) / Plug-In (1/8" / 3.5 mm TRS) / Plug-In (1/8" / 3.5 mm TRRS) |
| Microphone Type | Built-In (Transmitter) |
| Polar Pattern | Omnidirectional |
System
| Wireless Technology | Analog/Digital Hybrid |
| Included Transmitters | 1x Clip-On with Microphone |
| Diversity | Non-Diversity |
| RF Channel Scanning | Auto-Scan |
| Max Operating Range | 65.6' / 20 m (Line of Sight) |
| Max Transmitters per Band | 1 |
| Built-In Recorder | No |
| Timecode Support | No |
| Mobile App Compatible | No |
| Sample Rate/Resolution | 48 kHz / 16-Bit |
| SNR | 75 dB |
| THD | <0.1 % |
Receiver
| Receiver Type | Plug-In (USB-C) / Plug-In (1/8" / 3.5 mm TRS) / Plug-In (1/8" / 3.5 mm TRRS) |
| Mounting Options | Plug-In (with Included Hardware) |
| Antenna | 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 |
| Frequency Response | 20 Hz to 20 kHz ±3 dB |
| Network I/O | No |
| USB/Lightning Connectivity | USB-C Male |
| USB Class-Compliant | Yes |
| Power Requirements | Battery |
| Battery Type | 1x Built-In Rechargeable |
| Internal Battery Capacity | 100 mAh |
| Approx. Battery Life | 8 Hours |
| Display & Indicators | LED |
| Dimensions | 2.1 x 0.6 x 0.6" / 54 x 15.6 x 15.6 mm |
| Weight | 0.3 oz / 9.5 g |
Transmitter
| Transmitter Type | Clip-On with Microphone |
| RF Output Power | Not Specified by Manufacturer |
| Audio I/O | No |
| Muting | Off/On Switch |
| Auto-Level Control | No |
| Frequency Response | 20 Hz to 20 kHz |
| Antenna | Internal |
| Power Requirements | Battery |
| Battery Type | 1x Built-In Rechargeable |
| Internal Battery Capacity | 100 mAh |
| Battery Charging Time | 4.5 Hours |
| USB/Lightning I/O | No |
| Display & Indicators | LED |
| Dimensions | 2 x 0.7 x 0.6" / 51.8 x 18 x 15.6 mm |
| Weight | 0.4 oz / 10.5 g |
Microphone
| Microphone Type | Built-In (Transmitter) |
| Sound Field | Mono |
| Polar Pattern | Omnidirectional |
| Frequency Range | 20 Hz to 20 kHz |
| SNR | 75 dB |
| THD | < 0.1% |
| Sensitivity | -42 dB at 1 kHz |
Charging Case
| Recharge Time | 2 Hours |
| Capacity | 1000 mAh |
| Charging Interface | USB-C |
| Dimensions | 4.7 x 3 x 1.2" / 120 x 77 x 30.5 mm |
| Weight | 4.6 oz / 129 g |
Packaging Info
| Package Weight | 0.755 lb |
| Box Dimensions (LxWxH) | 7.95 x 4.25 x 1.85" |
In the Box
- OBSBOT BY-WM3U Mini Wireless Microphone System for Mobile Devices & Cameras (2.4 GHz)
- Clip-On Transmitter
- Plug-In Receiver
- Charging Case
- USB-C Adapter
- 3.5mm TRS Adapter
- 3.5mm TRRS Adapter
- Foam Windscreen
- Furry Windscreen
- USB-C to USB-A Charging Cable (11.8")
- 2-Year Manufacturer Warranty
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