ART Voice Channel, Tube Channel Strip, Class A tube preamp, Compressor / expander / de-esser / gate, 4-Band semiparametric EQ with cut / boost switching pre or post compressor switchable, Frequency response: 12 - 100000 Hz analog, Sampler data: 44.1 - 192 kHz, Digital Connections: ADAT, S / PDIF optical / coaxial, AES / EBU and USB, Word Clock I / O, Analogue Connections: MIC / Line / Instrument-Input XLR-combo, Input: 6.3 mm jack, Balanced output XLR and 6.3 mm jack, Mic-Preamp Out 6.3 mm jack, VU meter, Format: 19