Keeley Compressor Pro Pedal

Keeley Compressor Pro Pedal

Keeley Compressor Pro Pedal

Keeley Compressor Pro Pedal

Keeley Compressor Pro Pedal

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Product Highlights

  • Compressor for Almost any Instrument
  • Threshold, Ratio, and Gain Controls
  • Settable Attack and Release Times
  • Select Hard or Soft Knee
  • Auto Setting for Attack and Release
  • 7-Section LED Compression Indicator
  • True Bypass
  • Handmade in the USA
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$0.00 Tax Collected Outside NY and NJ

You Pay: $299.00

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Keeley Compressor Pro overview

  • 1Description

With controls over threshold, ratio, attack, and release, Keeley's Compressor Pro Pedal can be used on nearly any source, be it guitar, bass, keyboard, or a studio track as an outboard compressor. Every control on the front panel is continuously adjustable for precise set-ups. A knee switch lets you further fine-tune how the compression is applied to your signal, and an automatic mode bypasses the attack and release time controls, and having them automatically set by automatic analysis of the input signal. True bypass switching takes the pedal's circuit completely out of your signal chain to ensure that your signal passes through unmodified while the pedal is disengaged.

Key Features

Compression LED Display: 7-section LED meter indicates real-time gain reduction from -1 to -20 dB for fast and accurate metering
Threshold Indicator: Bicolor LED indicates when compression is initiated and released (red = active)
Exact RMS Analysis (ERA): Senses the true RMS value of the input program material such as your guitar, bass, or drum machine
Hard/Soft Knee Compression Switch: Select Hard knee for limiting or adding sustain, move the switch to soft knee for gentle compression, keeping performances lively and natural sounding without potential phase issues in parallel, or blending style compression
Auto Mode: Automatically sets attack and release times dependent on input signal analysis


Threshold: Sets the trigger point of the compression from -50 dB to 10 dB. Lower settings bring the compressor in earlier, higher settings require harder playing for the compressor to kick in
Ratio: Selects the level of compression ranging from 1:1 (no compression) to infinity (hard limiting). This control is continuously variable for precise settings
Attack: Controls the speed at which the compression is initially applied to the signal, faster settings are more noticeably compressed, while slower settings provide more natural transients
Release: Controls the speed at which the compression is stopped, faster settings drop compression more quickly, while slower settings produce more subtle releases that are less noticeable
Gain: Sets the final output level of the pedal, which is important for applying makeup gain for reduced volume due to compression. Levels higher than unity gain provide a level boost
In the Box
Keeley Compressor Pro Pedal
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Keeley Compressor Pro specs

    Input 1 x 1/4" instrument TS
    Output 1 x 1/4" instrument TS
    Power Supply 9 VDC power supply required (center negative)
    Power Draw <50 mA
    Dimensions Width: 4.7" / 12
    Height: 3.7" / 9.4

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