Designed for professional recording and sound reinforcement applications. Can be ideally used with instruments like acoustic guitar, bass guitar and piano. Capable for signal control, signal correction or creation. Perfect combination of limiter and Noise Gate. State-of-the-art Noise Gate Circuitry contributes to a smooth, perfect release time. Stereo Link, Gate and limit/compress may be used simultaneously Compress section has controls of Attack(0.2ms to 20ms), Release (50ms to 2.0s), Threshold( +20dB to –35dB). SIDE CHAIN input and output. Smooth and unobtrusive functioning, low noise levels, long reliability, fool proof operation, great sound, at-a glance metering. 110V/220V Jumper.