Boya BY-WM4 PRO-K2 Dual Channel Wireless Lavalier Lapel Microphone Kit

This digital wireless microphone features dual-channel technology and is compatible with smartphones, DSLR cameras, consumer camcorders, and PCs. It's the perfect solution for a variety of audio applications, including video production, podcasting, and mobile journalism. The 2.4GHz digital transmission technology ensures high-quality audio transmission. The package includes two transmitters and one dual-channel receiver. The transmitter features a line input jack and digital audio input, while the receiver is equipped with a headphone jack for real-time monitoring. With an operating range of up to 60 meters (197 feet), the microphone is powered by two AAA batteries. • RF Modulation - GFSK (Gauss frequency Shift Keying) • Frequency band - 2.4GHz (2405-2478MHz) • Frequency response - 35Hz-14KHz±3dB • Signal/Noise - 84dB or more • Distortion - 0.05% or less (32Ω,1 KHz,65mW output) • RF output level - 3mW • Earphone output level - 32Ω,65mW • Reception sensitivity - -90dB +/- 3dB / 0dB=1V/Pa, 1kHz • Audio input connector - 3.5mm mini jack • Operation range - 60m (197ft) (without obstacle) • Power requirements - 3V DC (Two AAA size batteries) • Consumption power - Transmitter: 3V/70mA, Receiver：3V/70mA • Dimensions - Receiver: 45x70x35mm (1.8*2.8*1.4 inches), Transmitter: 45x70x35mm (1.8*2.8*1.4 inches) • Weight - Receiver: 47g (1.7 oz), Transmitter: 47g (1.7 oz)