A replacement handheld transmitter to suit the DQM 600 series radio microphones from W Audio. They have a tuning bandwidth up to 8Mhz with 99 selectable frequencies on the 606-614Mhz CH38 band. These systems offer crystal clear sound reproduction and rock-solid reliability along with outstanding vocal reproduction and stable wireless connectivity allowing freedom of movement on stage. UHF band Phase Lock Loop (PLL) offering stable RF transmission Preset frequency groups plus a user definable frequency group allows users to tune the operating frequency of each channel IR infrared frequency synchronisation via infrared interface Mute circuitry for reduced noise Flat frequency response: 50Hz-16KHz Dynamic cardioid handheld microphone capsule