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Keeley COMPRESSOR PLUS

Description

Essential Information About the Parallel Compression Compressor Pedal

  • Parallel Compression: preserves attacks and dynamic peaks while adding sustain, thanks to the Blend control.
  • Suitable for Single Coil and Humbucker pickups: Single Coil/Humbucker selector to adjust Attack and Release settings according to your guitar.
  • Complete and intuitive controls: Sustain, Level, Blend, and Tone to go from subtle compression to a more pronounced effect.
  • Designed for pedalboard use: metal enclosure, status LED, footswitch, and True Bypass.

Parallel Compression: The "Studio" Approach Translated into a Pedal

Parallel compression is a classic studio technique: mixing a compressed signal with the direct signal to gain density and sustain while maintaining a natural attack and lively transients. On guitar, this approach avoids the "squashed" effect sometimes associated with heavy compression and allows for a more organic playing feel. This pedal embodies this modern philosophy: you precisely control the amount of compression in the mix with the Blend knob, keeping full control over your dynamics.

For Which Guitarists and Styles?

This compressor pedal is suitable both for beginners seeking a more consistent sound foundation and for experienced guitarists looking for fine dynamic control. It is particularly relevant for funk and clean rhythms (sharp attacks and even levels), blues and rock (longer sustain, notes that "hold"), pop and indie (guitars more present in the mix), as well as country to gain precision in picking. Live, it helps stabilize levels between fingerstyle and pick playing; in the studio, it adds a more "mix-ready" grain without sacrificing your instrument's personality.

Settings, Controls, and Design: Easy to Adjust, Rich in Nuance

Four controls form the core of the pedal: Sustain to adjust compression intensity and note hold, Level to set output volume (useful for a slight boost), Blend to mix direct and compressed signals (key to parallel compression), and Tone to fine-tune the tonal balance after processing. The Single Coil/Humbucker selector adapts the Attack and Release behavior to pickup type, preserving a natural response: more precision and snap with single coils, and better handling of the higher output levels of humbuckers. True Bypass ensures the signal remains intact when the effect is off, and the footswitch, status LED, and metal enclosure make it a reliable tool on stage and in rehearsal.

Sound Character

The sonic character emphasizes controlled dynamics rather than excessive coloration: the attack remains present, especially in parallel compression, while sustain is musically extended. With a moderate Blend setting, you get a "richer" and more stable feel, ideal for clean arpeggios, funky chords, or lead lines that stand out without pushing gain. Increasing Sustain makes the compression more obvious, providing very comfortable note hold for legato playing, slides, or passages requiring long notes. The Tone control compensates for any darkening or, conversely, smooths out overly harsh brightness depending on the guitar, pickups, and amp, helping integrate the pedal into any pedalboard.

Technical Specifications

Effect Type

  • Compressor pedal
  • Parallel compression via Blend control

Bypass and Switching

  • True Bypass
  • Footswitch: Bypass
  • Status LED

Controls

  • Sustain
  • Level
  • Blend
  • Tone
  • Selector: Single Coil/Humbucker (2 Attack/Release settings)

Connectivity

  • Input: 6.35mm mono jack
  • Output: 6.35mm mono jack

Power Supply

  • Operates on 9V battery
  • Optional external power supply (not included): 9 to 18 V DC
  • Barrel connector: 2.1 x 5.5 mm
  • Polarity: negative center (center negative)

Format and Construction

  • Metal enclosure
  • Dimensions (L x W x H): 112 x 68 x 51 mm
  • Weight: 280 g
  • Made in the USA

Included Accessories

  • Documentation
  • Power supply: not included

Power Consumption

  • Current consumption: 10+ mA
  • Required voltage: 9 to 18 V DC (or 9V battery)
  • Polarity: center negative
Brand reference number: KCOMPLUS

Testimony

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Excellent compresseur, booste le sustain et donne un grain au soin clair ++
Verified
Posted on 08/10/2021
By CHRISTOPHE BLANC
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very good compressor, the sound is on point
Verified
Posted on 15/01/2022
By DENIS MABIRE
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Great investment for playing in a group
Verified
Posted on 02/12/2021
By Alain Moreau
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Very good compressor
Verified
Posted on 15/09/2023
By Davy
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Very useful for rock & co Can get an interesting sound palette. Quality-price ratio ok. There are useful videos on Youtube that show what it's worth.
Certified
Posted on 31/05/2019
By Christophe B.

Good construction and technical quality in relation to the sound!
Verified
Posted on 29/05/2021
By Eric Caspar
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for the moment a bit disappointed compared to the rave reviews about the item. Initially the idea was to replace an old 40-year-old Ibanez compressor, a bit noisy but nice to use as a booster.. I will insist a little more to see in real conditions...
Verified
Posted on 07/09/2022
By Nicolas DIBET
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