LD Systems MS 828, Line Splitter / Mixer, Line mixer 8 in 2, and splitter 2 in 8, 6 Mono inputs, 2x XLR main inputs, 2x XLR main outputs, 4x XLR in/out, 2x Stereo jack in/out, Adjustable main on/out level, Adjustable level and balance per channel, Switchable splitter/mixer per channel, LED level meter per channel, Integrated power supply, Maximum output level: + 22 dBu, Frequency response: 5 - 40,000 Hz, Nominal working level: -10 dBV to +4 dBu, S/N Ratio: 85 dB, Design: 19