TOA WS-300H includes a headset wireless microphone and a diversity tuner. The headset wireless microphone has been manufactured for use with a UHF system. It employs a cardioid electret condenser microphone element and has been designed for use in speech reinforcement applications. The built-in compressor-expander circuit minimises the influence from ambient noise. The diversity tuner is a PLL-synthesiser controlled double superheterodyne diversity tuner designed to be used with a UHF wireless system. It employs a compander noise reduction circuit to minimise the influence of ambient RF noise. | 
