The Keeley Compressor Pro brings rackmount-quality audio manipulation directly to your pedal chain. Built around the high-fidelity THAT Corp. 4320 engine, it features Exact RMS Analysis (ERA) to track the true input value of your signal without phase issues or artificial coloration. It processes everything from delicate vocals to high-output drum machines, offering pro-audio headroom up to +4dBu.The user interface provides dedicated knobs for Threshold, Ratio, Attack, Release, and Gain alongside an auto-timing toggle that takes over the envelope tracking for instant, transparent performance leveling. A prominent 7-segment LED array delivers precise visual indexing of your exact gain reduction from -1dB to -20dB in real-time.

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