Description
The Keeley Compressor Pro brings rack-mount compressor precision to the pedalboard. Unlike most stomp-box compressors, it’s engineered with a frequency response and noise floor matching high-end studio units, so it handles more than guitar signals — bass, keys, drum machines, even line-level program material all pass through cleanly. Every unit is hand-assembled in Oklahoma, USA.
At the heart of the pedal is Exact RMS Analysis (ERA), which reads the true RMS value of your input rather than guessing from peaks, giving compression that tracks how the signal actually behaves. A 7-segment LED bar shows gain reduction from -1dB to -20dB in real time, while a bi-color Threshold LED tells you the instant compression engages and releases — no more dialing in blind.
Full manual control is on tap: THRESHOLD, RATIO, ATTACK, RELEASE, GAIN, and a KNEE switch to toggle between Hard Knee limiting/sustain and the smoother, more natural-feeling Soft Knee







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