Shure P9T PSM 900 Q15, wireless In Ear transmitter, frequencyrange Q15 (750 - 790 MHz), new and better Scan and Sync Modus to scan and send frequencies and settings, Audio Reference Combanding for powerful and clear InEar Sound, hard metall housing, audio frequencyrange 35 - 15.000 Hz, 20 frequencies parallel per frequency band, switchable HF-Power (10/50 mW), display with Name, Frequency, channel, HF power, adjustable 3,5mm headphones out, sync-switch, HF-Mute switch, 9,5" housing, dimensions: 197 x 166 x 42 mm, weight 850g, ickl. Rackmount and powersupply