Metric Halo LIO-8 mkIV, USB-C Audio Interface, 192 kHz Converter, 3d Core Digital Engine with MH-Link, High resolution A/D and D/A converters (44.1 - 192 kHz), +DSP licence, 2 High-impedance DI inputs for instruments, 128 Channel x 64 bus mixer, Integrated DSP, FP control with gain controls, IR remote control support, EdgeBus slot, LED meter, Send/return paths, 8 Microphone inputs: Sub-D25, 2 Hi-Z inputs: 6.3 mm jack, 8 Line inputs: Sub-D25, 8 Line outputs: Sub-D25, 8 Send: Sub-D25, 2 Monitor outputs: 6.3 mm jack, AES input and output: Sub-D25, MIDI in/out: 5-pin DIN, MH-Link, SMPTE input and output, Word Clock BNC input and output, Stereo headphone output: 6.3 mm jack, USB-C, Construction: 19