Boss SL-2 Slicer Effects Pedal

This BOSS SL-2 original chops your sound into unique percussive patterns — including many processed with internal filters and effects — and provides multiple output options that bring grooves to life across the stereo field.

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Boss SL-2 Slicer Effects Pedal

Compact Audio Adrenaline

The Boss SL-2 brings massive sonic groove muscle to the compact pedal format. Modern DSP takes the BOSS Slicer engine further than ever before by delivering rich, animated sounds via single and dual paths that are chained with multiple internal effects.

Eight pattern types—each with 11 variations—will keep you armed with creative firepower for a long time. When you’re ready for more, you can even connect to BOSS Tone Studio over USB to audition and load alternate patterns into the pedal and organize memory setups for different songs.

SL-2 Pre-Loaded Pattern Types:

  • Single (1 and 2)—Rhythmic patterns that use a single Slicer effect.
  • Dual (3 and 4)—Rhythmic patterns that use two Slicer effects.
  • Tremolo (5)—Patterns with a traditional tremolo effect.
  • Harmonic (6)—Rhythmic patterns with pitch-shifting effects.
  • SFX (7 and 8)—Rhythmic patterns with different effects applied.


Shape Your Groove

With the SL-2’s efficient interface, you can dial in sophisticated textures in seconds. Use the Attack control to shape the edge of the waveform for everything from hard-chopped slices to soft, fluttering movements. Then tweak the waveform’s length with the Duty control, going from sharp, percussive transients to longer, fuller audio blocks.
Adjust the tempo with the dedicated knob or hold the pedal switch to engage tap tempo mode for hands-free control. And with the Balance knob and +/-12 dB of output level adjustment, you always have complete control of the mix.

Set the Stage

The Boss SL-2 dishes up loads of impressive sounds with a standard mono setup. But things get even better when using the two outputs and seven different output modes.
Send direct and effect sounds to different destinations for recording and performance; or surround yourself and listeners in animated movement using a variety of stereo and 3D processing options. You can also feed the SL-2 with your favorite stereo pedals to bring further magic to your grooves.

SL-2 Stereo Output Modes:

  • Fixed (Default)—Sends the same direct/effect mix to both outputs.
  • EFX/Direct—Sends the effect sound to Output A and the direct sound to Output B.
  • Random—A stereo effect that randomly outputs the Slicer sound to the left, right, or center.
  • Ping-Pong—A stereo effect that alternately sends the Slicer sound to Output A or Output B.
  • Auto—A stereo effect that smoothly pans the Slicer sound between Output A and Output B.
  • 3D Cross—Advanced spatial processing moves the Slicer sound in left/right and forward/back patterns in 3D space.
  • 3D Rotation—Advanced spatial processing rotates the Slicer sound in 3D space.


Expand Your Creative Flow

With its generous external control options, the Boss SL-2 flows with your creative needs. Plug in an external footswitch to instantly tap in the tempo or engage the effect with momentary presses. You can also connect an expression pedal to control knob parameters of the overall level as you perform.
With the TRS MIDI input, you can sync your SL-2 grooves to a drum machine, DAW, or any other device that sends MIDI clock. It is also possible to control expression, tempo, and bypass functions via MIDI CC messages.

  • The famous BOSS Slicer effect in an advanced compact pedal
  • Instantly create compelling sonic grooves with single and dual Slicer paths processed with multiple internal effects
  • 88 memory locations with pre-loaded patterns (eight types with 11 variations for each)
  • Control the wave shape and length of sliced audio with Attack and Duty knobs
  • Adjust the overall effect level with +/- 12dB range
  • Mono/stereo input and output for integration with any setup
  • Seven stereo output modes: Fixed, EFX/Direct, Random, Ping-Pong, Auto, 3D Cross, and 3D Rotation
  • Connect to the BOSS Tone Studio app (macOS/Windows) via USB to explore and load alternate patterns
  • Control bypass and tap tempo with the onboard pedal switch
  • Connect up to two footswitches or an expression pedal for external parameter control
  • TRS MIDI input for clock sync and CC control
  • BOSS five-year warranty

Pedal Type: Slicer
Patterns: 88
Controls: Type,  Variation,  Attack,  Duty,  Tempo,  Balance,  Pedal Switch
Sample Rate: 48 kHz
AD Conversion: 24 bits + AF method
DA Conversion: 32 bits
Bypass: Buffered bypass
Inputs: 2 x 1/4″ Audio,  1 x 1/4″ CTL/EXP,  1x 1/8″ MIDI In Jack,  1x USB-B
Outputs: 2 x 1/4″
Power Source: 9V DC power supply required (sold separately)
Power Usage: 95mA
Batteries: 1 x 9V Alkaline
Width: 7.3cm
Depth: 12.9cm
Height: 5.9cm
Weight (including battery): 0.45kg

For more information, please visit the manufacturer's website.