SubZero SZW-200 Dual Digital Wireless Headset and Lav Mic System Key features: Digital wireless microphones with balanced XLR and Jack outputs 16 channels across the 2.4GHz frequency band Faster setup with easy infrared pairing Noise-free wireless audio up to 30 metres Overview: Eliminate noisy interference. The SubZero SZW-200 provides reliable wireless audio up to 30 metres without the noise and signal decay of analogue systems. Set up quickly using the built-in infrared pairing and connect to a range of professional audio equipment using the balanced XLR and Jack outputs. With two lavalier and x 4 headset microphones included the SZW-200L provides professional performance for live events and music.