Boya BY-W4 2.4G Wireless Microphone Upgraded Version - 1 Receive 4 Transmit

BY-W4 is a four-channel wireless microphone system that provides broadcast quality and reliable performance with clear, crisp audio.With four 2.4G channels, it's perfect for multi-person interviews, live performances, livestreams, conferences, panel discussions or other events.
- High quality sound as well as impressive sensitivity -42dB
- Ultra compact &Portable weighing less than 13 grams
- Compatible with cameras &device with 3.5mm Jack: has two 3.5mm TRRS output cables that work seamlessly with cameras, smartphones, computers, etc
- Built-in omnidirectional mic to capture 360° audio
- Real-time monitoring has : With dual 3.5mm male TRRS to female TRRS cables, it allows users to fully monitor the audio during recording at any time.
- Automatic pairing&plug &play

TX Transmitter:
- Operating range Up to 30m (no obstacles)
- RF output power <10mW
- Frequency response 50Hz-16kHz
- SNR >78dB
- Sensitivity -42dB
- Built-in Li-ion battery Specifications 3.7V/110mAh
- USB-C charging port
- Charging time ~ 2 hours
- Battery life ~ 7 hours
- Dimensions 17.7x59x10mm

RX receiver:

- Operating range up to 30m (no obstacles)
- RF output power <10mW
- Audio output 3.5mm TRRS output jack
- Specifications Built-in Li-ion battery 3.7V/200mAh
- USB-C charging port
- Charging time ~2hours
- Battery life ~7 hours
- Dimensions 20.2x65×12.8mm