Shure SLXD4DE H56, Digital 19"" Double Receiver, Frequency band H56: 518 - 562 MHz, 24 Bit / 48 kHz audio conversion, 120 dB dynamic range, 44 MHz switching bandwidth, Mic / Line level switchable, 2x XLR / jack outputs, Galvanised steel housing, Dimensions (H x W x D): 42 x 393 x 152 mm, Weight: 1.45 kg, Includes 19"" mounting hardware, and short BNC cables for front mounting