Model Name: Boya BY-V4U Wireless 4-Person 4-Channel Mini Lavalier USB-C 2.4 GHz Microphone (BY-V4U)
Features
- 4-channel wireless microphone system for recording up to four people at once on a single device
- USB‑C receiver (plug & play) for Android phones, iPhone 15/16, tablets and laptops
- 2.4 GHz digital transmission with up to 200 m (656 ft) range in open areas
- Advanced noise cancellation with one‑button activation on each transmitter to reduce traffic, wind and ambient noise
- Built‑in omnidirectional microphones for 360° pickup and consistent levels, even when subjects turn their heads
- Ultra‑compact, lightweight transmitters (approx. 9.5–11 g) with 360° rotating clips for discrete clothing attachment
- 48 kHz / 16‑bit audio with > 80 dB SNR for broadcast‑quality, hiss‑free voice recording
- Receiver includes USB‑C pass‑through charging so you can charge your device while recording
- Ideal for multi‑person interviews, panel discussions, podcasts, vlogging and live streaming
- Automatic pairing when removed from the charging case—no drivers or complex app setup required
- Charging case protects and recharges transmitters, extending total field recording time
Specification
- System type: 4‑channel 2.4 GHz wireless lavalier microphone set
- Model: BY‑V4U
- Configuration: 4 × transmitters (TX), 1 × USB‑C receiver (RX), charging case
- Transmission band: 2.4 GHz digital
- Maximum range: Up to 200 m (656 ft) line‑of‑sight
- Microphone type: Built‑in lavalier capsules (per TX)
- Polar pattern: Omnidirectional
- Sampling rate / bit depth: 48 kHz / 16‑bit
- Signal‑to‑noise ratio (SNR): > 80 dB
- Noise cancellation: Yes – switchable AI‑based noise reduction per transmitter
- Receiver interface: USB‑C (direct plug‑in)
- Pass‑through charging: Yes – USB‑C port on receiver for device charging while recording
- TX battery life: Approx. 6 hours per transmitter
- Charging case: Protects and recharges transmitters to extend total runtime
- Transmitter weight: Approx. 9.5–11 g each
- Mounting (TX): 360° rotating clothing clip
- Use cases: Multi‑person interviews, panels, podcasts, vlogs, livestreams and mobile content creation












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