Pre-Owned BOSS SL-20 Slicer


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BOSS SL-20 Slicer

Unleash the Groove: Boss SL-20 Slicer

If you're looking to infuse your music with an adrenaline shot of creativity, the Boss SL-20 Slicer is your ultimate tool. This powerhouse pedal allows you to instantly transform your guitar, bass, keyboard, or vocals into a pulsating groove instrument that will take your music to the next level. With 50 onboard Slice patterns and innovative features like the Harmonic Slicer, Loop Record, and 3D Panning, the SL-20 is a playground for sonic experimentation.

Instant Groove and Percussive-Melody Generator

The Boss SL-20 Slicer is designed to provide an instant injection of groove into your music. Whether you're jamming on a guitar riff, laying down a bassline, playing keys, or even singing, the SL-20 lets you create pulsating rhythms effortlessly. With 50 onboard Slice patterns, you have a wide range of rhythmic options at your fingertips. But it doesn't stop there – the Harmonic Slicer feature generates percussive melodies that can add a unique musical dimension to your performance.

Tap Tempo and Expressive Control

Keeping your groove in sync is easy with the SL-20's Tap Tempo function, accessible via the onboard pedal switch. You can also sync it internally or via MIDI for precise timing. The SL-20 offers extensive control over your sound characteristics, including attack, duration, effect level, and direct level, all of which can be manipulated with an external Expression pedal (sold separately). This level of expressiveness gives you the freedom to shape your sound exactly how you envision it.

Versatile Output Modes and 3D Panning

The SL-20 offers a variety of output modes, including the unique 3D Panning, which adds spacious sliced FX to your audio. Whether you want your sound to swirl around the audience or create an immersive sonic experience, the SL-20 has you covered. With a wealth of features and a compact design, this pedal is an essential addition to any musician's arsenal.


  • Nominal Input Level: -20 dBu
  • Input Impedance: 1 Mohm
  • Nominal Output Level: -20 dBu
  • Output Impedance: 1 kohm
  • Recommended Load Impedance: 10 kohms or greater
  • Tempo: Quarter note 30 to 250 bpm
  • Controls: START/STOP pedal, TAP pedal, EFFECT LEVEL knob, DIRECT LEVEL knob, BANK knob, PATTERN knob, ATTACK knob, DUTY knob, TEMPO knob, OUTPUT MODE button, PEDAL MODE button
  • Connectors: INPUT jacks R/MONO, L (1/4 inch phone type), OUTPUT jacks R/MONO, L (1/4 inch phone type), EXP PEDAL jack (1/4 inch TRS phone type), MIDI IN connector, DC IN jack (DC 9 V)
  • Power Supply: DC 9 V, Dry battery LR6/R6 (AA) type x 6/AC Adaptor (PSA-series: optional)
  • Current Draw: 110 mA

Dimensions and Weight:

  • Width: 173 mm (6-13/16 inches)
  • Depth: 158 mm (6-1/4 inches)
  • Height: 57 mm (2-1/4 inches)
  • Weight: 1.1 kg (2 lbs. 7 oz.)

With the Boss SL-20 Slicer, you can effortlessly inject energy and rhythm into your music, explore unique percussive melodies, and shape your sound to perfection. Whether you're a guitarist, bassist, keyboardist, or vocalist, this pedal offers an array of creative possibilities that will elevate your musical performances. Unleash the groove and take your music to new heights with the Boss SL-20 Slicer.

This pedal works nicely as intended and is in excellent condition, exhibiting only very gentle external wear as can be seen in photos. Original box is included. 

*This item ships fully insured with signature required*

Type: Effects