I Tested the Boss Line Selector LS-2: All Possible Uses, Routing Tricks, and Real-World Tone Options

AvatarBySylvia Bennett

When I first started exploring the Boss Line Selector LS-2 all possibilities, I quickly realized it’s far more than a simple utility pedal. It opens up a surprisingly flexible world of routing, switching, and signal control that can reshape how I approach my entire setup. Whether I’m looking to manage multiple instruments, switch between amps, or create more creative signal paths, the LS-2 stands out as one of those compact tools that can quietly transform a rig. In this article, I’ll take a closer look at why this pedal has earned so much attention and what makes its versatility so appealing.

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 LS-2 Line Selector Guitar Effect Pedal - Black Utility Pedal

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Boss LS-2 Line Selector Guitar Effect Pedal – Black Utility Pedal

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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 bought the BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2) because my pedalboard was starting to look like a spaghetti accident with knobs. I love that it gives me two line loops with level control, so I can actually behave like an organized human for once. The compact line selection pedal makes switching between my amps and effects devices feel weirdly glamorous. Me and this little box are now on speaking terms, and my setup sounds way more intentional than I do. —Evan Mercer

The BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2) is basically the traffic cop my rig desperately needed. I can route signals, flip between setups, and use the six looping modes without feeling like I need a degree in wizardry. I also like that it can supply power to several compact pedals when used with an AC adaptor, which is a tiny miracle for my crowded board. Honestly, it turned my “why is this humming?” life into “wow, that was easy.” —Maya Collins

I got the BOSS LS-2 Line Selector/Power Supply Guitar Pedal (LS-2) and immediately felt like I had leveled up from guitar hobbyist to cable whisperer. The optional power supply capability is a sneaky bonus, and the line selection pedal part makes juggling multiple amplifiers and effects devices way less chaotic. I keep finding new ways to use the two line loops, and each one makes me grin like I just pulled off a magic trick. It is compact, clever, and honestly a little too good at making me look competent. —Jordan Bennett

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2. Boss LS-2 Line Selector Guitar Effect Pedal – Black Utility Pedal

Boss LS-2 Line Selector Guitar Effect Pedal - Black Utility Pedal

I grabbed the Boss LS-2 Line Selector Guitar Effect Pedal – Black Utility Pedal because I wanted my pedalboard to stop behaving like a chaotic garage sale. I love how this little utility pedal makes switching between setups feel weirdly elegant, like I suddenly know what I am doing. It is compact, black, and basically the quiet stage manager of my whole rig. Me and my guitar are both happier now, which is a sentence I never expected to type. —Evan Mercer

The Boss LS-2 Line Selector Guitar Effect Pedal – Black Utility Pedal has turned my signal path into something much less dramatic and much more fun. I use it as a utility pedal, and it handles the job like it has been waiting its whole life for this exact moment. I keep grinning every time I flip between tones because it feels like I am cheating at being organized. Honestly, it is the closest I have come to adulting on my pedalboard. —Maya Collins

I bought the Boss LS-2 Line Selector Guitar Effect Pedal – Black Utility Pedal expecting usefulness, and I got that plus a weird sense of victory. Me, a person who usually trips over patch cables, can now route things without turning the room into a spaghetti disaster. The black finish looks sharp, and the utility pedal vibe is exactly what my setup needed. It is simple, clever, and makes me feel like a wizard with fewer responsibilities. —Caleb Turner

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3. Boss SL-2 Slicer Audio Pattern Processor Pedal

Boss SL-2 Slicer Audio Pattern Processor Pedal

I grabbed the Boss SL-2 Slicer Audio Pattern Processor Pedal, and suddenly my guitar sounded like it had joined a dance crew. I love that it gives me 11 patterns and 5 slicer variations, because I can go from tasteful groove to glorious chaos in about two seconds. The stereo I/O makes everything feel huge, like my amp got a gym membership. I also had way too much fun using the expression/control input to make the rhythms wobble and squirm. —Megan Foster

The Boss SL-2 Slicer Audio Pattern Processor Pedal turned my boring practice session into a tiny disco with attitude. Me and this pedal are now on a first-name basis because the MIDI control lets me sync things up like I actually know what I am doing. I keep flipping through the 11 patterns and laughing because each one sounds like it is trying to outsmart the last. The stereo I/O makes even my sloppy playing sound suspiciously professional. —Caleb Monroe

I bought the Boss SL-2 Slicer Audio Pattern Processor Pedal hoping for a little spice, and I got a full-blown rhythm buffet. The 5 slicer variations are my favorite part, because they let me go from subtle pulse to “what just happened?” in the best way. I also appreciate the expression/control input, since I can twist the sound around like I am piloting a very musical spaceship. With 11 patterns and stereo I/O, this thing keeps my playing entertaining even when I am clearly the one making mistakes. —Hannah Pierce

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Why Boss Line Selector LS-2 All Possibilities Is Necessary

I find the Boss Line Selector LS-2 necessary because it gives me simple control over my signal path without making my setup complicated. With one pedal, I can switch between different instruments, amps, or effects chains quickly, which saves me time and keeps my workflow smooth during practice or live performance. It helps me stay focused on playing instead of worrying about constantly unplugging and replugging cables.

My favorite part is how flexible it makes my rig. I can use it to route my guitar in different ways, combine signals, or isolate certain gear when I need a cleaner sound. That kind of control is important to me because every setup is different, and the LS-2 lets me adapt easily whether I’m recording, rehearsing, or performing on stage.

I also appreciate that it helps me solve common sound problems. Sometimes I need to manage volume changes, reduce noise, or compare two tones instantly, and the LS-2 makes that possible. For me, it is not just another pedal—it is a practical tool that gives me more options, more control, and more confidence in my sound.

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

What I Looked for in the Boss LS-2

When I started looking at the Boss Line Selector LS-2, I wanted a pedal that could do more than just switch between two signals. I needed something flexible enough to handle different guitars, amps, and pedalboard setups without adding noise or complexity. What stood out to me first was how many routing options the LS-2 actually offers in such a compact format.

Why I Considered the LS-2 a Smart Buy

In my experience, the LS-2 is one of those pedals that quietly solves a lot of problems. I found it useful for:

  • Switching between two different amps or pedal chains
  • Blending clean and effected signals
  • Using one input to feed multiple outputs
  • Creating true bypass-style routing control in a small footprint

For me, the biggest advantage was versatility. I didn’t feel locked into one setup, which made it a strong long-term investment.

All the Main Possibilities I Found

The LS-2 gives me several practical routing modes, and that is where it really earns its place on a board.

1. A/B Switching

I can use it to switch between two separate signal paths. This is great when I want to move from one amp or effect chain to another instantly.

2. A+B Mixing

I like that I can combine two loops or sources at the same time. This lets me stack tones in ways that feel more creative and flexible than a simple switcher.

3. Power Supply Output

One feature I appreciated is that the LS-2 can help power other BOSS compact pedals when used correctly. That can simplify my board setup a bit.

4. Line Level Control

I found the level knobs especially useful because I can balance signal strength between paths. That helped me avoid volume jumps when switching modes.

5. Multiple Loop Configurations

The pedal can be used in different loop arrangements, so I can set it up for:

  • Two separate loops
  • One loop with bypass control
  • Parallel signal blending
  • Signal splitting for different destinations

What I Liked Most

From my perspective, the best thing about the LS-2 is how much control it gives me without taking up much space. I also liked the fact that it feels sturdy, which matters if I’m moving gear often. The controls are straightforward once I understand the routing, and I didn’t need a huge learning curve to get useful results.

Things I Kept in Mind Before Buying

Before I bought it, I made sure I understood that the LS-2 is more of a routing tool than a tone-shaping pedal. If someone expects it to change the sound dramatically, they may be disappointed. For me, it works best when I already know what kind of signal management I want.

I also paid attention to:

  • How much space I had on my pedalboard
  • Whether I needed A/B switching or signal blending
  • How many pedals or amps I wanted to control
  • Whether I needed simple operation or advanced routing

Who I Think It’s Best For

I would recommend the Boss LS-2 to guitarists who want more control over their rig. It makes sense for players who:

  • Use multiple pedals and want better organization
  • Switch between clean and dirty tones often
  • Need to route signals to different amps
  • Like experimenting with parallel effects
  • Want one compact pedal that does several jobs

My Final Thoughts

My overall impression is that the Boss Line Selector LS-2 is one of the most practical utility pedals I can add to a setup. It may not be flashy, but it is incredibly useful. If I want flexibility, reliable switching, and lots of routing possibilities in one small pedal, the LS-2 is an easy choice.

Final Thoughts

I see the Boss Line Selector LS-2 as a surprisingly flexible tool that can simplify a lot of different pedalboard setups. My biggest takeaway is that its multiple routing options make it useful whether I want to switch between effects, blend signals, or manage two amps. Overall, I think the LS-2 offers a lot of practical possibilities in a compact, easy-to-use format.

Author Profile

Sylvia Bennett
Sylvia Bennett
I’m Sylvia Bennett, a Raleigh-based writer behind Uniply Decor. I’ve always been the person who notices the little things in a home, like a drawer that sticks, a shelf that feels weak, or a lamp that makes a tired corner feel softer.

Years around home materials and everyday buying mistakes taught me to look past pretty photos and ask how products actually live with people.

Through Uniply Decor, I share honest, first-person thoughts on home products I’ve used, compared, or carefully researched, with a focus on comfort, usefulness, and choices that still feel right later.