Description
The Keeley C4 takes the beloved two-knob compressor formula and hands you the keys to everything under the hood. Where the original relied on internal trim pots for Attack and Input Clipping, the C4 brings both controls up top alongside Sustain and Level, giving you real-time access to shape your dynamics on the fly — no screwdriver required.
That extra flexibility makes the C4 a natural fit for players running high-output guitars, active basses, or line-level gear into their board, since you can dial in exactly how much clipping and attack the signal sees before it hits your amp or interface. It’s equally at home in the studio, where consistent, tone-tested compression can smooth out a take without stripping the life from your playing.
- Internal attack control
- Sensitivity control
- Tone-tested components for a natural, musical squeeze
- True bypass switching keeps your dry tone untouched when off
- Triple-pole double-throw switch for reliable, quiet switching
- Dedicated sustain control
- Standard 9V DC jack for pedalboard power
Included with this bundle are two 6″ patch cables, so you can drop the C4 straight into your signal chain and start compressing without a trip to the cable drawer.








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