The OBSBOT BY-WM3U Mini Wireless Microphone System enhances content creation for livestreams, interviews, and more. With a clip-on transmitter and plug-in receiver featuring interchangeable adapters, it offers reliable communication up to 65.6 feet via 2.4 GHz frequency.
Featuring three adapters—3.5mm TRS, 3.5mm TRRS, and USB-C—the receiver ensures seamless connectivity to devices like smartphones, tablets, computers, or cameras. The built-in omnidirectional microphone captures clear audio without complicated pairing, while the onboard power button allows for easy muting.
Built-in rechargeable batteries provide up to 4.5 hours of use for the transmitter and 8 hours for the receiver, with quick charging in just 2 hours via the included case. Compatible with various OBSBOT cameras, this system delivers professional audio quality for content creators.

Plug-In Receiver
Enjoy versatile connectivity options with the BY-WM3U system’s plug-in receiver. Equipped with three adapters—3.5mm TRS, 3.5mm TRRS, and USB-C—you can seamlessly connect to various devices such as smartphones, tablets, personal computers, or cameras, offering flexibility in recording audio for different platforms.

Clip-On Transmitter
Secure the clip-on transmitter to your talent’s lapel effortlessly. Its integrated clip ensures a stable attachment while the built-in omnidirectional microphone captures clear sound without requiring complex pairing procedures. Conveniently mute the microphone using the onboard power button for seamless control during recordings.

Charging Case
The BY-WM3U charging case ensures your components are always ready for use. With built-in rechargeable batteries, the transmitter and receiver offer up to 4.5 and 8 hours of usage, respectively. The case, housing a 1000mAh battery, efficiently recharges all components within 2 hours, minimizing downtime between recordings.

Compatible with OBSBOT Cameras
Seamlessly integrate the BY-WM3U system with a range of OBSBOT cameras, including the Tiny, Tiny 2, Tiny 4K, Tail Air, Meet, and Meet 4K models. This compatibility ensures consistent and high-quality audio capture across various OBSBOT camera setups, making it an ideal choice for broadcasters, podcasters, bloggers, live-streamers, and content creators seeking professional sound quality for their productions.
Main Features
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An advanced 2.4 GHz wireless system that provides stellar, broadcast-quality sound to Android smartphones, tablets, and computers with USB-C connectors, DSLRs, camcorders, recorders, etc.
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It is ideal for broadcasters, podcasters, bloggers, live-streamers, and content creators.
Specifications
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| SYSTEM |
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Wireless Technology: Analog/Digital Hybrid
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Included Transmitters: 1x Clip-On with Microphone
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Diversity: Non-Diversity
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RF Channel Scanning: Auto-Scan
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Max Operating Range: 65.6′ / 20 m (Line of Sight)
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Max Transmitters per Band: 1
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Built-In Recorder: No
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Timecode Support: No
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Mobile App Compatible: No
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Sample Rate/Resolution: 48 kHz / 16-Bit
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SNR: 75 dB
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THD: <0.1 %
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| RECEIVER |
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Receiver Type: Plug-In (USB-C) / Plug-In (1/8″ / 3.5 mm TRS) / Plug-In (1/8″ / 3.5 mm TRRS)
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Mounting Options: Plug-In (with Included Hardware)
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Antenna: Internal
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Number of Audio Channels: 1
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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
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Network I/O: No
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USB/Lightning Connectivity: USB-C Male
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USB Class-Compliant: Yes
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Power Requirements: Battery
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Battery Type: 1x Built-In Rechargeable
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Internal Battery Capacity: 100 mAh
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Approx. Battery Life: 8 Hours
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Display & Indicators: LED
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Dimensions: 2.1 x 0.6 x 0.6″ / 54 x 15.6 x 15.6 mm
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Weight: 0.3 oz / 9.5 g
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| TRANSMITTER |
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Transmitter Type: Clip-On with Microphone
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RF Output Power: Not Specified by Manufacturer
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Audio I/O: No
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Muting: Off/On Switch
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Auto-Level Control: No
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Frequency Response: 20 Hz to 20 kHz
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Antenna: Internal
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Power Requirements: Battery
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Battery Type: 1x Built-In Rechargeable
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Internal Battery Capacity: 100 mAh
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Battery Charging Time: 4.5 Hours
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USB/Lightning I/O: No
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Display & Indicators: LED
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Dimensions: 2 x 0.7 x 0.6″ / 51.8 x 18 x 15.6 mm
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Weight: 0.4 oz / 10.5 g
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| MIVROPHONE |
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Microphone Type: Built-In (Transmitter)
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Sound Field: Mono
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Polar Pattern: Omnidirectional
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Frequency Range: 20 Hz to 20 kHz
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SNR: 75 dB
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THD: < 0.1%
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Sensitivity: -42 dB at 1 kHz
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| CHARGING CASE |
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Recharge Time: 2 Hours
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Capacity: 1000 mAh
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Charging Interface: USB-C
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Dimensions: 4.7 x 3 x 1.2″ / 120 x 77 x 30.5 mm
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Weight: 4.6 oz / 129 g
In The Box:
1 * Charging Case
1 * Clip-on Minature Transmitter
1 * Professional Compact Receiver
1 * Type-C Adapter
1 * 3.5mm TRS Adapter
1 * 3.5mm TRRS Adapter
1 * Foam Windshield
1 * Fur windscreen
1 * 30cm/11.8″Type-C to USB-A Charging Cable
Weight 0.5 kg Dimensions 14 × 8.5 × 4.5 cm
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