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Boss CS-3 Compression Sustainer Guitar Effects Pedal

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Boss CS-3 Compression Sustainer Guitar Effects Pedal
Powered by high-quality circuitry to ensure noise-free performance

Make the most of your electric guitar by adding the Boss CS-3 Compression Sustainer Guitar Effects Pedal to the feedback loop. This pedal is modelled on Boss’s CS-1 prototype of the late 1970s and is a must-have for professional guitarists and bassists. It is equipped with all the controls you need to achieve the desired output. The CS-3 delivers crisp sounds characteristic of the funk or country genres. Pick this device if you wish to experiment with some ‘fowl play’ or chicken picking. Irrespective of the volume level, you obtain a clean sound with a balanced response from the strings.

In Charge

The Boss CS-3 Compression Sustainer Guitar Effects Pedal effectively flattens high-frequency signals to boost low-frequency signals. You have a wide range of options for shaping your guitar’s tone to suit the requirements of your playing style. To adjust the volume of the output, you have the Level knob. Turn it from one end to the other to obtain volume consistency as the pedal is switched on and off. Switch from heavy metal to soft rock as you turn the Tone control knob from one end to the other. Set the Attack knob to an appropriate point in the clockwise direction to preserve the intensity of the attack in each note. This creates the overdrive effect despite the use of fast picking. The Sustain knob controls the time taken for the sound to decay. Furthermore, the Check LED indicates the status of application of an effect or the activation status of the sustainer.

Noise-free Operation

The Boss CS-3 Compression Sustainer Guitar Effects Pedal has been designed to preserve signal integrity and produce minimal noise during operation. It incorporates a specialized FET switching system for suppressing click sounds, thus making for a smooth, noise-free playing experience both on the stage and in the studio.

Power It Up

The Boss CS-3 Compression Sustainer Guitar Effects Pedal is energized into operation by a 9V battery or a PSA-Series AC power adaptor. Support for battery operation makes this device a fitting choice for travelling musicians.

Quality Matters

The Boss CS-3 Compression Sustainer Guitar Effects Pedal has been designed with utmost attention to detail using quality engineering practices.


  • Compact compression/sustainer pedal powered by high-quality circuitry
  • Compresses loud signals and boosts soft signals for a variety of applications
  • On-board controls for precise tonal shaping: Level, Tone, Attack, and Sustain
  • Low-noise design for quiet operation
  • Runs on 9V battery or PSA Series AC adaptor
  • Features Input, Output, and AC Adaptor jacks


  • Nominal Input Level: -20dBu
  • Input Impedance: 1MΩ
  • Nominal Output Level: -20dBu
  • Output Impedance: 1kΩ
  • Equivalent Input Noise Level: -110dBu (IHF-A, Typ.)
  • Power Supply: DC 9V: Dry Battery 9V type (6F22/9V), and AC Adaptor
  • Current Draw: 11mA (DC 9V)
  • Accessories: Dry Battery 9V Type (6F22/9V)
Size and Weight (Including Battery):
  • Dimensions: 2-7/8 × 5-1/8 × 2-3/8-inch (W × D × H)
  • Weight: 0.4 kg
  • INPUT Jack
  • OUTPUT Jack
  • AC Adaptor Jack (DC 9V)
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