Wireless microphone system AVMATRIX WM12 offers transmission distances up to 100 m (line-of-sight) in the 2.4 GHz GFSK band, the ability to operate two transmitters within one system for dual-channel operation, a lightweight wearable transmitter design (25 g) with integrated microphone, and the ability to connect a third-party lapel microphone, easy to read OLED display on the receiver unit for easy configuration, two audio outputs (3.5mm jack) and USB output, battery life up to 15 hours for the transmitter and 4 hours for the receiver, handy carrying case, quick mute button etc. The integrated omnidirectional microphone has a frequency range of 100 Hz - 20 kHz with a tolerance of +/- 3 dB, a maximum sound pressure of 110 dB SPL and a signal-to-noise ratio >/= 90 dB. Sold as Dual (2x TX + 1x RX) and Single (1x TX + 1x RX) sets. On sale in about 14 days.