Boss SL-2 Slicer

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$119.99 to $164.99 Price Tier: Standard

5.0 (9)

2 Critic Reviews

1 Review

All time low price

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10 community setups

20 wishlisted

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Page last updated Jun 30, 2026

Pricing and availability

We compare 600+ stores and found this item at 10 stores. Prices updated June 30, 2026.

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4.5 (10)

$164.99 $155.98 $9.01 · All time low

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5.0 (4)

$164.99

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4.5 (64)

$164.99

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5.0 (7)

$146.05 61 available New

$110.24 27 available Used

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5.0 (1)

$164.99 $155.98 $9.01 · All time low

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$119.99

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$164.99

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4.7 (56)

$143.00 $142.00 $1.00

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£115.00

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$164.99

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Average Price: $169

Standard/Professional

$150

$601+

Price Tier

In the Multi Effects Pedals category, Boss SL-2 Slicer is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

Price History

Based on price data from 6 merchants for "Boss SL-2 Slicer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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The BOSS SL-2 Slicer is your key to unlocking a world of rhythmic innovation. This compact powerhouse transforms your sound into a tapestry of percussive patterns and textures, making it an essential tool for musicians seeking to expand their sonic palette. Evolved from the iconic SL-20, the SL-2 offers 88 onboard patterns and connects to the BOSS Tone Studio app for hundreds more, all in a pedalboard-friendly format. With its intuitive interface, you can easily dial in sophisticated textures by tweaking the Attack and Duty controls, shaping everything from hard-edged slices to gentle, fluttering movements.

The SL-2's stereo output options provide a dynamic range of sonic experiences, including Ping-Pong and 3D Rotation modes that animate your sound across the stereo field. Whether you're a guitarist, keyboardist, or experimental DJ, this pedal adapts to any creative scenario. MIDI integration ensures seamless sync with your setup, while the USB connection allows for effortless pattern management. Dive into endless possibilities and make every note count with this cutting-edge tool that challenges conventional tremolo effects.

Key Features:

88 onboard patterns with additional options via BOSS Tone Studio app
MIDI input for advanced control and synchronization
Stereo I/O with seven output modes for diverse audio experiences
Attack and Duty controls to shape waveform dynamics
Compact design with a user-friendly interface
USB connectivity for pattern management and updates
Expression pedal and external footswitch compatibility
Ideal for various instruments and performance setups

Owner's manual

Boss SL-2 Slicer User Manual

Product specs

Pedal Type	Slicer
Analog/Digital	Digital
Effects	Audio Pattern Slicer
Inputs	2 x 1/4"
Outputs	2 x 1/4"
USB	1 x Type Mini-B
Other I/O	1 x 1/4" (expression)
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.

FAQs

What kind of effects does the Boss SL-2 Slicer pedal offer?: The Boss SL-2 Slicer pedal offers audio pattern slicing effects, allowing you to create rhythmic, percussive patterns from your guitar signal. It provides multiple internal effects and stereo output options for dynamic soundscapes.
Can the Boss SL-2 Slicer be used with both mono and stereo setups?: Yes, the Boss SL-2 Slicer supports both mono and stereo setups with its two 1/4" inputs and outputs, enabling versatile connectivity for different rig configurations.
Does the Boss SL-2 Slicer require a specific power supply?: The Boss SL-2 Slicer requires a 9V DC power supply, which is sold separately. It can also be powered by a 9V battery for convenience.
Is the Boss SL-2 Slicer compatible with expression pedals?: Yes, the Boss SL-2 Slicer features a 1/4" input for an expression pedal, allowing you to control various parameters in real-time for enhanced performance versatility.
What type of bypass does the Boss SL-2 Slicer employ?: The Boss SL-2 Slicer uses buffered bypass switching, which helps maintain signal integrity and tone when the pedal is not engaged.

Videos

Add video

BOSSchannel

BOSS SL-2 Slicer | Fresh-Sliced Inspiration | Official Video

BOSSchannel

Boss SL-2 Slicer | It's Real!

Pedalboard of the Day

BOSS SL-2 Slicer Audio Pattern Processor Pedal Demo

Sweetwater

A Boss Pedal Reissue That Nobody Saw Coming // SL-2 Slicer

Jorb

BOSS SL-2 Slicer Pedal - The Best Features

McRocklin

Nick Reinhart : Giving Effect Pedals Some Context : Boss SL-2 Slicer

Perfect Circuit

The Most Creative BOSS Pedal? | SL-2 Slicer

Leon Todd

BOSS SL-2 Slicer Audio Pattern Processor [Product Demonstration]

Long & McQuade Musical Instruments

MUSICMAKER PRESENTS - BOSS SL-2 SLICER

Musicmaker

Reviews

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PROS

Innovative pedal with unique "Slicer" effect for creative soundscapes
Versatile across instruments: guitars, synths, and more
Wide variety of settings and presets inspire new musical ideas
Robust build quality typical of Boss products
BOSS TONE STUDIO allows sound modification to user's preference
Can generate atmospheric, symphonic sounds suitable for different music genres
Offers beat-like options and magical stereo-tremolo effects
Easy to use with immediate fun and inspiring results
Works well with other pedals for enhanced sound exploration
Provides a wide range of rhythmic percussion patterns

CONS

Can be too complex for live performances with quick setup needs
Some users find it challenging to recreate previously found settings consistently
May not be the best fit for traditional guitarists looking for conventional effects

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss SL-2 Slicer.

Software and compatibility

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The pedal's MIDI sync lacks clock divisions, but its USB port suggests potential for future firmware updates.
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A Python-based web tool allows Mac OS users to edit SL-2 patches, addressing compatibility issues with virtual machines.
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Users can create custom patterns by editing JSON files, though a first-party visual editor for pattern creation is absent.
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SL-2 can sync BPM clock via MIDI, which integrates well with samples and synths despite the pedal's other usability issues.
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The SL-2 can be set up with the Tone Studio app, which allows downloading premade patterns but not editing them directly.
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Use cases and applications

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The SL-2's MIDI clock input simplifies synchronization in setups involving complex timing, making it ideal for intricate compositions or covers.
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The SL-2 is effective for creating a “train starting up and then running at full speed” effect when used with a Fuzz > Phaser > Slicer chain.
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The SL-2 can reduce DSP burden when used with devices like the Zoia, offering granular chopping effects.
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The SL-2 excels in creating a stereo image in ambient and RPG music, adding movement and texture without needing drums.
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Comparisons

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For those seeking less predictable patterns, a cheap tremolo might suffice, but the SL-2's advanced pattern capabilities can provide more complex and random effects.
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The SL-2's capabilities are likened to the Roger Linn Adrenalinn III, performing better in controlled environments rather than live settings.
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Users note that the SL-2 lacks the built-in looper present in the original SL-20 model.
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Features and functionality

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Using an expression pedal with the SL-2 can introduce new dimensions to its effects, adding layers and control options not immediately apparent.
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The SL-20's Autopan effect can add a tremolo on top of the Slicer effect, offering unique pulse effects when stereo output is tricked using a dummy plug.
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The SL-20 includes a dry/wet blend feature, which might negate the need for a loop switcher to maintain a dry signal.
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The SL-2 has 88 patterns across 8 modes, but users find the pattern organization illogical and challenging to navigate.
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The SL-2 offers stereo modes, including a 3D rotation mode that significantly enhances the stereo image when paired with other stereo-capable devices like the Boss RE-2.
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The external tap footswitch requires configuring the controller jack to tap tempo, with a specific emphasis on normally closed (NC) settings.
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User experience

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Some report difficulty achieving a proper square tremolo sound without significant volume loss, suggesting potential complexity with the attack knob.
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Setup and maintenance

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Owners recommend using the tap tempo function, although setting it up with Boss compacts can be cumbersome without an external pedal.
Source

Critic Reviews

Boss SL-2 Slicer Guitar Pedal Review - Premier Guitar

premierguitar.com

The Boss SL-2 Slicer is a rhythmic powerhouse that delivers a unique effect, blending intricate patterns with innovative stereo functions. It boasts an impressive selection of 88 presets, allowing for endless creativity, especially when paired with other effects. However, its compact design can make accessing certain features tricky and the learning curve is steep, requiring a manual at hand. While the confusion may deter some, the potential for sonic exploration is vast, making it a worthwhile addition for adventurous musicians looking to enhance their sound. At $169, it strikes a solid balance between value and creativity.

positive

Full Review

BOSS SL-2 Slicer review

musictech.com

The Boss SL-2 Slicer packs a lot into its compact design, offering over 80 patterns and MIDI sync capabilities, making it a compelling tool for live performance. However, the pedal's complexity and crowded layout can be daunting, and its confusing labeling might deter beginners. While it shines in creating stutter effects and rhythmic modulation, users may find that a DAW can achieve similar results with less hassle. Ultimately, the SL-2 is best for those ready to embrace its intricacies, but it might leave others feeling sliced and diced.

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Full Review

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5.0 out of 5

Based on 1 Review and 9 Ratings

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2007_mercedes_clk200

647

over 2 years ago

Would strongly recommend for use with synthesizers.

I don't even know where to start with the Slicer. This thing is amazing, especially with synths. I use it all the time for weird percussion loops, making rhythmic sounds out of drones, adding background elements to my songs and the weird stereo effects.

I haven't used it much with a guitar though, but I would imagine that the majority of regular guitarists wouldn't have much use for it, it is a really certain kind of pedal.

Roles:

Guitarist Music Producer Audio Engineer

Genres:

Electronic Rock Dance music