Boss SL-2 Slicer

Boss SL-2 Slicer — Compact Audio Pattern Processor for Rhythmic Grooves

The Boss SL-2 Slicer brings the legendary BOSS Slicer effect into a compact pedal, chopping any signal into rhythmic percussive patterns that animate sustained tones. Modern DSP drives the engine further than the legacy SL-20, with single and dual Slicer paths processed through internal filters and pitch-shifting effects.

What makes this pedal unique

This model pairs a 24-bit AF-method ADC with a 32-bit DAC at 48 kHz, then routes chopped audio through seven stereo output modes including 3D Cross and 3D Rotation. The pedal switch doubles as tap-tempo, and the CTL/EXP jack accepts an expression pedal or dual footswitch.

Pattern engine and onboard memory — 88 rhythmic variations

The pattern engine gives players instant access to a deep library of rhythmic variations without menu diving.

• Patterns: 88 onboard — eight types (Single 1/2, Dual 3/4, Tremolo 5, Harmonic 6, SFX 7/8) with eleven variations each
• Attack and Duty knobs: shape waveform edge and length — from hard-chopped slices to soft fluttering movements and longer fuller audio blocks

MIDI, USB, and expression control — studio and stage integration

Connectivity turns the unit into a rhythmic processor that locks to external clocks and DAWs.

• MIDI IN: 3.5 mm TRS jack — accepts clock sync and CC messages for expression, tempo, and bypass
• USB B and CTL/EXP: connect to BOSS Tone Studio and expression pedals — load alternate patterns on macOS or Windows and control parameters hands-free

Compact chassis and power — pedalboard-ready footprint

The unit keeps a small footprint with buffered signal handling and flexible powering options.

• Dimensions: 73 mm wide × 129 mm deep × 59 mm tall — standard BOSS compact format
• Weight and power: 450 g including battery, 9 V alkaline (≈2.5 h) or PSA-series AC adaptor, 95 mA draw — buffered bypass preserves signal integrity on long cable runs