Sennheiser EM 3732 -II L, dual channel UHF receiver, 19"/1U, true diversity, 184 MHz bandwidth 470 - 638 MHz, 6 channel banks with each up to 59 safed presets, 1 channel bank with up to 60 free channels, audio range 40 - 20.000 Hz, connections: XLR-3, digital AES3: XLR-3 Sample Rates: 44.1, 48, 88.2, 96 kHz, 24 Bit, dimensions 436 x 44 x 250 mm, 19" 1 U