The Sony DWZ-M50 is a digital wireless vocal set with 2,4 GHz and therefore license- and chargefree. The set includes the ZRX-HR50 receiver and the ZTX-M01 handheld microphone with exchangeable capsules. The high resolution and uncompressed 24-bit audio processing and the reliable true diversity transmission offers best audio quality. The housing of the handheld is made of robust und leightweight metal.