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Boss SL-20 Slicer Audio Pattern Processor Pedal

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Boss SL-20 Slicer Audio Pattern Processor Pedal

Boss SL-20 Slicer Audio Pattern Processor Pedal
Item# SL-20

List Price: $299.99
 Our Price: $199.99 
You Save: $100.00 (33%)

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Boss SL-20 Slicer Audio Pattern Processor Pedal - SL-20

The Boss Slicer pedal is designed for guitar, bass, keyboards, or DJs with 40 Seconds of Record Time.

Instant Audio Adrenaline
Inject a shot of high-octane fuel into your music with the SL-20 Slicer. Instantly transform a guitar, bass, keyboard, or vocal into a pulsating groove instrument. Choose from 50 onboard Slice patterns or experiment with the SL-20’s innovative Harmonic Slicer feature, which generates percussive melodies, Loop Record, and unique 3D Panning.


  • Instant groove and percussive-melody generator
  • 50 Slice patterns onboard, with adjustable attack and duration, including Harmonic Slice
  • Tap Tempo via onboard pedal switch; internal and MIDI sync
  • Sound characteristics such as attack, duration, effect level, and direct level are controllable via external Expression pedal (sold separately)
  • Variety of output modes, including the unique 3D Panning for spacious sliced FX

Groove and Melody Maker
The SL-20 transforms your music into percussive “chopped” grooves. Fifty rhythmic patterns are onboard, with adjustable note attack and duration, plus amazing Harmonic Slice effects. Create high-energy patterns onstage in real-time, or use the SL-20 as a songwriting and recording tool. Play the sliced sounds in realtime while capturing them with Loop Record.

Flexible Control
An internal tap-tempo feature is included, as well as the ability to sync to external MIDI clock. Sound characteristics of the SL-20 such as attack, duration, effect level, and direct level can be controlled by the onboard knobs or from an external Expression pedal.

Universal FX
The SL-20 is an addictive effect that inspires creativity. It’s great for guitarists, but it’s equally useful for other instrumentalists as well. Plug in a bass, keyboard, iPod®, or any other instrument or music-playback device. DJs and dance-music artists will also love the SL-20 as a rhythmic-performance tool.


  • 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
  • Maximum recording time:  40 sec.
  • 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
  • Indicator:  POWER indicator (serves also as the battery check indicator), START/STOP indicator, REC indicator, PLAY indicator, TAP indicator, MONO indicator, FIXED indicator, RANDOM indicator, PING-PONG indicator, AUTO indicator, 3D PANNNER indicator, 3D CROSS indicator, LATCH indicator, MOMENTARY indicator, TEMPO indicator.
  • 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) *1
  • Current Draw:  110 mA
  • Accessories:  Owner's Manual, Leaflets ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information"), Dry battery (R6 (AA) type (carbon) x 6) *2
  • Options:  AC adaptor (PSA-series), Expression pedal (Roland EV-5, FV500L/H)

Manufacturer: Boss

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