Shure SLXD4E L56, Digital Receiver, Frequency band L56: 650 - 694 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 197 x 152 mm, Weight: 0.86 kg, Includes 19"" mounting hardware, short BNC cables for front mounting