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Boss SL-2 Slicer Audio Pattern Processor Pedal

Audio Pattern Processor Pedal with 11 Patterns, 5 Slicer Variations, Stereo I/O, Expression/Control Input, MIDI control, and Tap Tempo
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Item ID: SL2
Boss SL-2 Slicer Audio Pattern Processor Pedal
Price:$161 and 98 cents
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Boss SL-2 Slicer Audio Pattern Processor Pedal
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Price:$161 and 98 cents
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Frequently Asked Questions

Boss SL-2 Slicer Audio Pattern Processor Pedal

Q: What does the Boss SL-2 Slicer pedal do?

Q: How many patterns are available on the SL-2, and how can I control them?

Q: Can I use the SL-2 Slicer in stereo, and how does it connect to other gear?

Q: Who is the Boss SL-2 Slicer designed for?

Q: What kind of power does the SL-2 Slicer require?

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This article was Written By

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Transcending Tremolo for the 21st Century

BOSS calls the SL-2 Slicer an “Audio Pattern Processor” pedal, but the truth is that this little box simply defies categorization! The SL-2 packs the power of BOSS’ original SL-20 pedal into a much more pedalboard-friendly form factor, allowing you to chop, screw, and twist your signal into complex rhythms and percussive grooves. There are 11 distinctive rhythms at your disposal, and the tempo can be set either by the control knob or by activating the hands-free tap tempo feature. What’s more, the Type knob provides five different flavors of slice — single, dual, tremolo, harmonic, and SFX — that are a cut above traditional tremolo tones! Finally, the SL-2 is packed full of high-end features, including MIDI in, expression/control in, stereo I/O, and a dedicated BOSS app to access even more pattern possibilities.

Five different ways to slice it

What is slice, anyway? The closest equivalent in the pedal world would be tremolo, but tremolo sounds positively quaint compared to the SL-2’s wild rhythmic gating. Still, the SL-2 Slicer covers those classic choppy tones, but its five different slice options can also transform your signal into an IDM groove or even synth-like sounds.

  • Single and Dual: These modes are relatively self explanatory. Single has one slicer; Dual has two slicers operating at the same time.
  • Tremolo: The SL-2’s tamest setting, this mode is about as close to traditional tremolo as the SL-2 can get!
  • Harmonic: This mode brings in wild modulation, adding even more complexity to your rhythmic experimentation.
  • SFX: Perhaps the most peculiar mode, SFX introduces additional effects to your signal depending on which sub-mode you choose.

Big-box features in a standard BOSS form factor

Many of Sweetwater’s more experimental guitarists fondly remember the SL-20 as a modern classic, but there was one catch: it was huge. The SL-2 saws down the size by almost half without compromising functionality, and it even introduces several new features to the Slicer series! Looking for enhanced control? A MIDI in allows for timing clocks, start/continue/stop messages, and control change messages for external MIDI-compatible devices. Need to adjust your tempo or controls on the fly? Pop in an expression pedal or a remote control switch, or simply activate the SL-2’s built-in tap tempo. Last but not least, the USB input enables easy connection to the BOSS Tone Studio for SL-2 app to access a wide library of downloadable slice patterns.

BOSS SL-2 Slicer Audio Pattern Processor Pedal Features:

  • Chops and slices up your signal into 11 variations of percussive groove
  • Balance and attack controls to set your mix level and the effect’s sharpness
  • Duty control to modify the length of the slice pattern’s sound
  • Tempo can be adjusted by either knob control or by accessing the built-in tap tempo function
  • Type knob switches between single, dual, tremolo, harmonic, and SFX slicer types
  • MIDI in offers greatly enhanced control possibilities
  • USB port allows for even more slice patterns via the dedicated BOSS Tone Studio for SL-2 app
  • External footswitch jack for remote control of tap tempo and other momentary functions
  • Stereo I/O for wild ping-pong slicer sounds

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Tech Specs

  • Pedal Type: Slicer
  • Effects: Audio Pattern Slicer
  • Analog/Digital: Digital
  • Inputs: 2 x 1/4"
  • Outputs: 2 x 1/4"
  • Other I/O: 1 x 1/4" (expression)
  • USB: 1 x Type Mini-B
  • Bypass Switching: Buffered
  • Power Source: 9V DC power supply (sold separately)
  • Power Usage: 95mA
  • Batteries: 1 x 9V
  • Height: 2.32"
  • Width: 2.87"
  • Depth: 5.07"
  • Weight: 1 lbs.
  • Manufacturer Part Number: SL-2

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Reviews

Another future classic from BOSS

To start off: This pedal is weird. Maybe intimidatingly weird to some, but don't let that fool you. If all the funky wizardry happening on loads of this pedals settings it still does the job of just being a normal tremolo, which is what it truly is at it's core. In differing from trem's of the past this thing is totally digital and works what to me is similar to the sequencer function on a lot of synthesizers. It can cut your signal up into measured patterns. I've yet to actually dip into connecting it to my PC and downloading more patterns, but what comes stock is pretty wild and inspiring if that's what you're looking for, and if you're just looking for a tremolo it sits at a similar price to Boss's TR-2 and you get a bit more bang for your buck in that e. Being able to alter how soft or harsh the attack is on each pulse of the tremolo is a huge plus, as well as being able to tap in your tempo by holding down the footswitch, features not on the more traditional TR-2. What I've come to realize is that this pedal really shines when it has extra effects behind it, like a subharmonic octave, fuzz, distortion, reverbs, experimentation is the name of this pedals game. All in all Boss have created another masterpiece with the SL-2.

Music background: 20+ year multi-instrumentalist
Get it
This pedal is nothing but fun all day long. Buy it, get it, and enjoy it. It's a keeper. You won't regret it.
Music background: I’ll play everything from Grindcore to Funk
SL-2 Slicer
The SL-2 Slicer is a whole new way to great create music. I am still getting used the multitude of settings and I am looking forward to see what I can do.
The best sales engineer Alex Gleason
I have purchased, this pedal to add to my madness of creating my own sound. And let me tell you, this pedal is crazy in a good way. My sales engineer Alex.always makes my purchase experience above and beyond.
A creative machine
Plug this in and start working through the presets and you're bound to come up with a ton of new ideas.