Shure P9T PSM 900 P7 - wireless in-ear transmitter, frequency range: P7 (702-742MHz), new and improved scan and sync modes to scan and send frequencies and settings, audio frequency range: 35Hz-15kHz, 20x parallel frequencies per frequency band, switchable HF-power (10/50mW), display with name, frequency, channel and HF power, adjustable 3.5mm headphones output, sync-switch, HF-mute switch, hard 9.5" metal housing, includes rackmount and power supply. Dimensions: 197 x 166 x 42mm. Weight 850g