With digital 24-bit/48 kHz audio quality and incredible spectral efficiency, the QLXD2 handheld transmitter is ideal for wireless voice and instrument transmissions at presentations, music events, and in churches. With just the push of a button, the handheld transmitter is synchronized with a wireless receiver via infrared. This connection is maintained through a clear, uninterrupted signal over a range of 100 meters. The sturdy metal housing ensures durability and compatibility with a wide range of Shure microphones featuring legendary Shure sound.