Gatex Noise gate 4 channel. US Audio Gatex Noise Gate Expander. US AUDIO 4 channel gate / expander. The Gatex is an expander/gate of some sophistication, with four independent processing channels housed in a single rack-unit. Steel and aluminium chassis has all its connectors on the rear panel, and all the controls, including the power switch, on the front panel, making permanent rack installation no problem. Each channel offers input, output, and’key’ input connections via jacks, with both the signal and key inputs being balanced but compatible with unbalanced sources. The output is unbalanced and capable of driving +21dB (ref 0.775V) into 600ohms or more, so interfacing with high-level’pro’ equipment or low-level format gear is equally feasible. Front panel controls are identical for each channel, consisting of three rotary controls for Threshold, Range, and Release in addition to two miniature three-way switches which govern both the selection of gating or expansion modes and the source of the control signal. Light use in smoke free home studio, boxed with manual. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With. Auctiva’s FREE Counter. This item is in the category “Musical Instruments & DJ Equipment\Pro Audio Equipment\Signal Processors & Effects”. The seller is “musical101″ and is located in this country: GB. This item can be shipped to United Kingdom.