The Comp-200 from Marathon is a dual channel compressor/limiter with gate, housed in a 19 inch, single rack-space chassis. Dual mono or stereo linking is selectable, along with manual or auto attack/release settings. Both channels have bypass switches and LEDs to display input and gain reduction levels. Features Two channels of compression/limiting with gates Dual mono or stereo operation Auto or manual attack/release operation "Process" controls help compensate for tonal changes introduced with heavy compression Input and gain reduction LEDs Channel bypass switch with LED indicator per channel Specifications Function: Compressor, Expander/Gate, Limiter Number of Channels: 2 Inputs 2 x XLR 2 x 1/4" TRS phone Outputs 2 x XLR 2 x 1/4" TRS phone Maximum Input Level: +21dBu, balanced and unbalanced Compression Threshold: -40dB to +20dB Compression Ratio: 1:1 to infinity:1 Attack Time: -95dBu, unweighted, 22Hz to 22kHz Power Requirements: 100~120VAC, 60Hz or 200~240VAC, 50Hz (selectable) Dimensions (WxDxH): 19 x 7 x 1.75" (483 x 180 x 45mm) Weight: 8 lbs (3.7kg) Specialties: Output gain -20dB to +20dB