Trident Audio SC2 500; Stereo Optical Compressor; 500 Series Module; Analog Signal Path; max. input level: +22dBu; Compressor ratio: 1:1 to 8:1 (variable); Compressor attack time: 1 msec to 20 msec (variable, adaptive); Compressor release time: 0.1 sec to 3 sec (variable, adaptive); GR / VU Meter; design: 500 Series Module, 2 Slot; weight: 1.2 kg