LA Audio 4x4: 4-channel dynamic signal processor with two compressors and two gates in 1U, made in the UK (SCV Electronics, London). Serial 4X1875. Working. Powered on and tested, working as it should. Each gate has threshold, release and range controls, external key, listen, auto and bypass switches, and lo/hi filters. Each compressor has input, attack, release, ratio and output controls, gate in, sidechain and bypass switches, and LED gain-reduction meters. The compressors can be linked for stereo. Rear: 1/4" jack inputs, outputs and key/sidechain inputs for every channel, a fused IEC mains socket and a 220/240 V setting. Included: - LA Audio 4x4 - UK IEC mains lead Condition: good used condition. The front panel is clean with all knobs present. The case has scuffs and marks, as shown in the photos. Please study the photographs carefully for exact condition. Collection in person from Shorne, Kent is free and welcome. If you would rather have it delivered: GBP 12 UK courier (48-hour service); the box is ordered to size after the sale, so please allow 3-5 working days before it ships. No returns.