**Product Specifications:**
**Brand:** BOYA
**Model:** BY-V4 One Drag Four Set
**Wireless Frequency:** 2.4GHz Four-Channel Mini Microphone Series
**Audio Quality:** 48kHz
**Signal-to-Noise Ratio:** >80dB
**Noise Reduction:** Audio One-Click Noise Reduction
**Wireless Range:** Up to 200 meters
**Compatibility:** Supports 99% of devices and apps
**Features:** One receiver connects to four microphones simultaneously
**Usage:** Suitable for multi-person performances, live streaming, street interviews, conferences, Vlog shooting, etc.
**Battery Life:** Approximately 6 hours per microphone, total of 18 hours with charging case
**Weight:** Transmitter - 10.5g, Receiver - 9g, Charging Case - 160g
**Dimensions:** Transmitter - 62.6mm x 18.3mm x 10.2mm, Receiver - 62.5mm x 18.3mm x 10.2mm, Charging Case - 143.6mm x 80.5mm x 35.5mm
**Additional Features:** Audio Smart Noise Reduction, Digital Output, Low Latency Audio Transmission, Easy Pairing, External Device Power Supply, Real-time Monitoring, etc.
**Package Contents:**
1. 4 x BY-V4 Transmitters
2. 1 x BY-V4 Type-C Receiver
3. 4 x Windproof Sponges
4. Pairing Pin
5. Sticker Sheet
6. BY-V4 Charging Case
7. USB-A to USB-C Cable
**Common Questions:**
**Transmitter vs. Receiver:** Transmitter converts voice to radio frequency, while the receiver captures and decodes the signal.
**One Drag One, One Drag Two, One Drag Three, One Drag Four:** Different configurations for single or multi-person recordings.
**Noise Reduction:** Activated by short-pressing the NR button on the transmitter.
**Sampling Rate:** BY-V4 has a 48kHz sampling rate for high-quality audio capture.
**Maximum Sound Pressure Level:** BY-V4 can handle high-intensity sounds up to 120dBSPL without distortion.
**Signal-to-Noise Ratio:** High SNR of >80dB ensures clean and clear recordings.
**Compatibility:** Supports various devices and third-party apps for versatile usage.
These specifications highlight the advanced features and capabilities of the BOYA BY-V4 wireless microphone system, making it ideal for various recording scenarios.
