Cranborne Audio 500R8, 8-Slot Rack for 500 Series Modules with Integrated USB Audio Interface, 8 I/O channels with XLR, USB audio interface with 28 in / 30 out, Monitor controller, 8 Channel discrete analogue summing mixer, Reference AD/DA converter, Latency-free monitor mixer with volume and pan controls per channel, 2 Monitor outputs: Speaker A outs & Speaker B outs, Mono sum, mute, dim and talkback function, 28-segment LED metering, additional insert per channel, individual signal routing, Bypass switch per channel, C.A.S.T. system for the transmission of 4 balanced, analogue audio channels via one Cat5 line, Driver dynamic range: 121 dB (A) to AES17, 20 Hz 20 kHz, Frequency response: -1dB, 2.2 Hz to > 80 kHz, THD+N: <0.00032% (-110 dB) @ 4 dB FS, 20 Hz 40 kHz, 1 kHz (A-weighted), Dimensions (W x H x D): 481 x 185 x 219 mm, Weight: 7 kg