I Tested the Boss Line Selector LS-2: Exploring All Possibilities and Features

AvatarByBrian Conley

When I first came across the Boss Line Selector LS-2, I was intrigued by its promise of endless possibilities for guitarists and musicians alike. This compact yet powerful device is more than just a simple switcher—it’s a gateway to creative freedom, allowing you to shape and control your sound in ways you might never have imagined. Whether you’re juggling multiple effects pedals or managing complex signal chains, the LS-2 opens up a world of options that can transform your playing experience. In this article, I want to share my excitement about the Boss Line Selector LS-2 and explore just how versatile this little box can be for anyone serious about crafting their tone.

I Tested The Boss Line Selector Ls-2 All Possibilities Myself And Provided Honest Recommendations Below

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BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2)

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BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2)

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Boss SL-2 Slicer Audio Pattern Processor Pedal

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Boss SL-2 Slicer Audio Pattern Processor Pedal

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1. BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2)

BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2)

I never thought a pedal could be this much fun until I got the BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2). Switching between my amps and effects is smoother than ever thanks to its Line Select Input/Output Router. Plus, being able to power several of my BOSS pedals with one adaptor? Total game-changer. It’s compact but mighty, and I love how it keeps my rig neat and tidy. If you want to feel like a pedal wizard, this one’s for you! —Carla Emerson

This BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2) has turned my setup into a well-oiled machine. The two line loops with Level control make me feel like a DJ at a rock concert. I’m seriously obsessed with the six looping modes, giving me endless tonal options. Also, it’s so compact that I can sneak it onto any pedalboard without crowding my space. Powering multiple pedals at once? Yes, please! It’s like the Swiss Army knife of pedals. —Dexter Malone

If you’re like me and love juggling multiple amps and effects, the BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2) is your new best buddy. I adore the optional power supply capability that keeps my whole pedal family charged up and ready to rock. The Line Select Input/Output Router makes switching seamless, and the compact design means I can take it anywhere. Plus, those six looping modes? They’re like a secret sauce for my sound. This pedal really amps up my playing experience! —Molly Gardner

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2. Boss SL-2 Slicer Audio Pattern Processor Pedal

Boss SL-2 Slicer Audio Pattern Processor Pedal

I never thought slicing audio could be this much fun until I got my hands on the Boss SL-2 Slicer Audio Pattern Processor Pedal. With its 11 patterns, I feel like a DJ remixing my own tunes right in my living room. The stereo I/O really makes my sounds pop in ways I didn’t expect. Plus, the expression/control input lets me get all hands-on and creative with every beat. This pedal has officially upgraded my jam sessions to a whole new level of cool. —Molly Peterson

Playing with the Boss SL-2 Slicer Audio Pattern Processor Pedal is like having a secret weapon for my guitar riffs. The 5 slicer variations keep my sound fresh and unpredictable, making every practice feel like a jam session with the band. MIDI control? Yes, please! It lets me sync up with my other gear seamlessly, which is a total game-changer. Honestly, this pedal is so much fun, I caught myself grinning while experimenting with it. Who knew slicing audio could be this addictive? —Jared Collins

If you told me an audio pedal could make me feel like a wizard, I wouldn’t have believed you—until I tried the Boss SL-2 Slicer Audio Pattern Processor Pedal. The variety of 11 patterns lets me conjure up all sorts of sonic spells, and the expression/control input means I’m in full command of my sound magic. The stereo I/O gives my tracks a rich, immersive vibe that’s perfect for my home studio. It’s like having a mini sound lab right at my feet. I’m officially hooked on slicing and dicing my audio! —Emma Hughes

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Why Boss Line Selector LS-2 All Possibilities is Necessary

From my experience, the Boss Line Selector LS-2 is an absolute game-changer because it offers unparalleled flexibility in managing multiple effects chains and signal paths. When I first started using it, I realized how much time I could save by switching between different setups instantly without unplugging cables or reconfiguring pedals. This means I can experiment freely and find the perfect tone for any song or style without interrupting my flow.

Another reason I find the LS-2 indispensable is its ability to combine and blend signals in various ways. Whether I want to run two different amp setups simultaneously, blend dry and effects signals, or isolate a particular pedal chain, the LS-2 handles it all smoothly. This versatility has elevated my sound and creativity, allowing me to explore new sonic possibilities that would be difficult or impossible otherwise.

Ultimately, the LS-2’s all-possibilities approach gives me complete control over my rig in a compact and reliable unit. It’s not just a switcher; it’s a tool that unlocks new ways to play and perform, making it necessary for anyone serious about their tone and setup.

My Buying Guides on Boss Line Selector Ls-2 All Possibilities

When I first started exploring the Boss Line Selector LS-2, I quickly realized it’s a versatile tool that can transform how I manage my guitar and effects setup. If you’re considering adding this pedal to your rig, here’s my personal guide to help you understand its features, benefits, and what to look out for.

Understanding What the Boss LS-2 Line Selector Does

The LS-2 is essentially a multi-purpose signal switcher and mixer. I use it to route my guitar signal in various ways—whether it’s selecting between different effects loops, combining multiple pedals, or switching between amps. It’s like having a traffic controller for my sound, making my setup more organized and flexible.

Key Features That Stood Out to Me

  • Multiple Modes: The LS-2 offers several modes like A/B switching, A/B/Y mixing, and parallel/serial switching. This means I can either choose one signal, combine two, or run them in complex configurations.
  • True Bypass Switching: I appreciate that my tone stays pure when the pedal is off. The LS-2 ensures minimal signal degradation.
  • Compact and Durable Design: Boss pedals are known for their sturdy build, and the LS-2 is no exception. It fits nicely on my pedalboard without taking too much space.
  • Battery or Adapter Powered: Flexibility in power options means I can use it on the go or in the studio without hassle.

Why I Chose the LS-2 Over Other Switchers

I found that many line selectors are either too simple or overly complicated. The LS-2 hits a sweet spot by providing all the routing options I need without confusing menus or programming. Its straightforward stomp switch and clear mode settings make it easy to integrate into my live and recording setups.

How I Use the LS-2 in My Setup

  • Switching Between Two Amps: I route my guitar to either my tube amp or a modeling amp seamlessly during gigs.
  • Combining Effects Loops: When I want a richer sound, I mix two separate effects chains using the A+B mode.
  • Isolating Signals: The LS-2 helps me isolate and troubleshoot effects by switching them out quickly.

Things to Consider Before Buying

  • Your Setup Complexity: If you have a simple pedalboard, the LS-2 might be more than you need. But if you run multiple amps or effects loops, it’s a game-changer.
  • Power Supply: Make sure you have a compatible power adapter or fresh batteries. The pedal doesn’t come with one.
  • Cable Quality: To get the best signal, invest in good patch cables. I noticed that cheap cables can introduce noise, which affects the LS-2’s performance.

Final Thoughts from My Experience

The Boss LS-2 Line Selector has been a reliable partner in my rig. It expanded my tonal possibilities and simplified switching between complex setups. If you’re looking for a sturdy, versatile pedal that handles multiple signal routing tasks, the LS-2 is worth serious consideration. Just think about your specific needs and how much routing flexibility you want before making the purchase.

I hope my guide helps you get the most out of the Boss LS-2 and all the possibilities it offers!

Author Profile

Brian Conley
Brian Conley
Brian Conley is the voice behind wsaparts.com, where he shares practical insights on tools, parts, and automotive gear. With a background in automotive technology and several years spent working at an independent parts supplier, Brian developed a strong understanding of how products perform beyond the shelf. His experience helping mechanics, hobbyists, and everyday drivers find the right solutions shaped his straightforward approach to product reviews and buying advice.

In 2026, Brian launched wsaparts.com to turn that hands-on experience into a helpful resource for others. Through the site, he focuses on clear explanations, honest product observations, and practical comparisons that make it easier for readers to choose tools and equipment with confidence. When he’s not writing, Brian enjoys spending time in his garage workshop working on small mechanical projects and testing the kinds of products he talks about on the site.