Drawmer DS101; Noise Gate; variable high-pass and low-pass filters for frequency-conscious gating; comprehensive envelope control with attack, hold, decay, and range; external triggering via key input or infrared pulse from another DS101; Key Listen function for precise side-chain monitoring; link up to ten units in one rack space, each with independent envelope shaping; switchable gating or ducking modes; dimensions: 1x 500 series slot; weight: approx. 0.8 kg