State of the ART.Ideal for both analog and digital recording, the ART VoiceChannel is a discrete Class-A microphone preamp delivering clean quiet gain along with exceptional warmth and definition. It features a powerful, integrated fully variable dynamics processor, a semi-parametric EQ, plus a wide range of outputs including balanced analog output, 44.1 KHz to 192 KHz AES/EBU, S/PDIF, ADAT and USB. Its analog and digital meters both provide plenty of audio level details. Tube Microphone Preamplifier with Selectable plate Voltage and Variable Input Impedance Smooth musical sounding dynamics control including Compressor / Expander / De-Esser / Gate Powerful Parametric EQ selectable Pre or Post Compressor in signal path Flexible digital connectivity including ADAT Lite-pipe / AES/EBU / S/PDIF / TOSLink Digital Output supports 44.1 to 192 KHz Sample Rates USB direct-connect to computer or laptop Attack Time: 250 uSec. to 100 mSec Boost and Cut/Frequency Band: +12 dB on each band Compression Ratio: 1:1 to 20:1 Dimensions: (DWH in inches) 9.17 x 19 x 3.5 EQ Frequency Bands: Low Frequency: 50/150 Hz Selectable; MID 1 Frequency: 100 Hz to 3kHz continuously variable; MID 2 Frequency: 500 Hz to 15kHz continuously variable; High Frequency: 5K/15kHz Selectable Equivalent Input Noise: -130 dBu, Input shorted, Max gain, A weighted Frequency Response: 16Hz – 42kHz -1dB@96kHz Total Harmonic Distortion: 1kHz: less than .015% typical Weight: 10.5lbs