Fully working, 1RU rack mount (19inch)115/230voltsMade by MACKIE (with tapco)model SG-2 squeez2 channel XLRin and out and moreMANUALHEREWith the TAPCO Squeez SQ.2, you get two channels of smooth, natural compression and gating, plus an adjustable Air filter for that classic studio vocal squeez of the 60s and 70s. The Compressor section of the Squeez offers both auto soft-knee and hard-knee curves, while the Soft Gate employs a TAPCO expander function at the threshold. Finally, the Squeez features an adjustable Air filter adds natural top-end as you compress, letting you dial in vintagevocalor guitar sounds without the expensive and finicky old gear. TAPCO Squeez Features 2-channel compressor/gate with smooth, musical soundAuto Soft-Knee/Hard-Knee curves depending on compression settingNew adjustable Air filter adds natural high-end for classic studio compression sounds (a la Motown records)Soft Gate circuitry provides expansion at the threshold to eliminate clipped gated soundsIndividual Threshold, Ratio, Attack, and Release controls per channelOutput gain compensation controlsAuto attack/release function with indicatorIndividual Channel In/Out button and indicatorPrecision 8-segment Gain Reduction metersXLR/TRS and Side Chain connectionsSelectable Line voltage (115/230V)