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Average Price: $110
Standard/Professional
$60
$176+
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Based on price data from 7 merchants for "Boss LS-2 Line Selector". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Boss LS-2 Line Selector offers a compact and convenient method for managing your effect chains and signal paths. This pedal is more than just a switch; it's a dynamic routing system that opens up new avenues for sonic experimentation. With two line loops and six looping modes, the LS-2 is designed to provide flexibility and control over your effects, enabling you to create unique tonal landscapes.
One standout feature of the LS-2 is its ability to supply 9V DC power to several Boss compact pedals when used with an AC adapter. This makes the LS-2 not only an excellent signal routing tool but also a convenient power supply solution for your pedalboard.
Just like you would expect from Boss, the LS-2 comes with rugged construction, making it a reliable and road-ready companion for musicians who are always on the go.
Key Features:
- Two line loops and six looping modes offer a broad range of effects and switching applications.
- Provides power to several Boss compact pedals when used with an AC adapter.
- Rugged construction and dependable performance make it a reliable addition to your pedalboard.
- Comes with Boss's five-year warranty for added peace of mind.
Owner's manual
Boss LS-2 Line Selector User ManualProduct specs
| Type | 2-loop Selector switch |
| Inputs | 3 x 1/4" |
| Outputs | 3 x 1/4" |
| Power Source | 9V DC power supply (sold separately), power out jack |
| Height | 5.12" |
| Width | 2.87" |
| Depth | 2.37" |
| Weight | 0.94 lbs. |
FAQs
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What is the primary function of the Boss LS-2 Line Selector?
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The Boss LS-2 Line Selector allows you to switch between multiple effects loops or amplifiers, making it versatile for various signal routing applications. It features two line loops and six different looping modes for flexible configuration.
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Can the Boss LS-2 Line Selector power other pedals?
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Yes, when used with an AC adapter, the Boss LS-2 can supply 9V DC power to other Boss compact pedals, making it a practical addition to your pedalboard for both switching and powering needs.
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How does the Boss LS-2 Line Selector affect my signal path?
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The Boss LS-2 features buffered inputs and outputs, ensuring that your signal remains strong and clear as it passes through the pedal, even when using long cable runs or multiple effects.
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How many loops does the Boss LS-2 Line Selector support?
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The Boss LS-2 supports two separate effects loops, labeled as Loop A and Loop B, allowing you to integrate and switch between different pedal setups seamlessly.
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What power supply is required for the Boss LS-2 Line Selector?
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The Boss LS-2 Line Selector requires a 9V DC power supply, which is sold separately. It also features a power out jack to power other pedals on your board.
Videos
BOSSchannel
BOSS LS-2 Line Selector [BOSS Sound Check]
Reviews
PROS
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Simplifies setup for switching between effects or amps
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Allows blending of dry and wet signals for bass players
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Versatile with multiple routing options and looping modes
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Can run A+B signals simultaneously for complex setups
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Silent switching; no popping sound when engaging pedals
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Volume control for each loop allows for precise sound balancing
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Built-in 9V power out for daisy-chaining other pedals
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True bypass ensures no signal loss when pedal is disengaged
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Sturdy construction typical of Boss pedals
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Can be used as a clean boost
CONS
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Full price considered high for its complexity level
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Lacks a "Y" setting for combining A and B loops directly
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Some users report a phase issue when using certain compressors in parallel
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Minor high frequency loss with bypass buffer
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Learning curve for optimizing all functionalities
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss LS-2 Line Selector.
Features and functionality
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Owners appreciate the LS-2's capability to manage multiple gain pedals simultaneously, allowing for saturated tones with adjusted volume levels.
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The LS-2 is known for its buffered loops, which can actively trim and stabilize high-output signals even when activating both loops simultaneously.
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The pedal can power an additional six pedals using a Boss 9v AC Adapter (PSA-120S) and a Daisy Chain cable (PCS-20A).
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The LS-2 can add a mix control to pedals lacking one, allowing for precise blending of clean and effected signals.
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Can function as a two-stage clean boost, providing additional volume and clarity.
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It serves as a versatile clean/dirty switch, particularly useful with single-channel amps like the 2203.
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Comparisons
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The EHX Tri Parallel Mixer is mentioned as a more versatile option for parallel pedal setups due to its polarity control and EQ on each channel.
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The EHX Switchblade Pro is favored over the LS-2 by some users for its internal phase switches and additional parallel/serial switching options.
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User experience
Use cases and applications
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It is effective for musicians who frequently switch between bass and guitar, as it can manage differences in input levels for multiple instruments.
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Some users employ the LS-2 to quickly swap new pedals into their chain for comparison, facilitating easy tonal swaps.
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The LS-2 can be used as an input selector for multiple guitars or moved to the end of a chain for outputs to multiple amps.
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It allows blending of distortion and fuzz pedals for unique tones that cut through the mix, useful for bassists seeking a full-spectrum sound.
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The LS-2 enables seamless toggling between effects-heavy clean tones and unmodified fuzz tones while sharing the same delay and reverb.
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It allows for parallel delay and reverb setups, maintaining signal clarity by preventing unwanted effect stacking.
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It’s often used by bassists to retain low-end frequencies while running through guitar pedals.
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Critic Reviews
4.5 out of 5
Based on 23 Reviews and 160 Ratings
308
Really good for what it does
Works great for a ton of applications! You can switch between two loops or use it as a 3 way splitter. Much more durable than those ABY cables!
Preferred Settings + Usage:
I use several pedals each for my clean and dirty sounds, and this pedal is a great way to switch between them quickly mid song.
86
Essential for the Bassist
Essential for setting up two parallel lines. Unless they are the very expensive ones, effect pedals lose bass, which is ultimately the function of the bass within the group. Therefore, this pedal is fundamental. The bad thing is that I bought it second hand and it makes a slight background noise.
This review has been translated automatically into English. See original166
Extremely Useful and Versatile pedal
I use this pedal with my Boss BF-3 and Cry Baby Mini (set in A/B mode) for 3 main reasons; 1. it helps keep the signal clean from bad buffers, the boss Bf-3 (I put it in Loop A) has a nasty tone cut in my main signal so throwing it in my loop helps keep my clean tone sparkly. 2. Pedals like the Cry Baby Mini (I put it in Loop B) may be a bit hard to switch on and off live, so using it in the LS-2 loop makes it easy to call upon it without any fuss 3. if you have two effects you love using but don't play well together like the way I use a Flanger and a Wah, its good to switch between the two without tap dancing the flanger on/off to the wah off/on, with the line selector the job is done with One switch! Plus being able to boost or cut the volume of each line allows for extra versatility, I put a bit of volume boost in loop B with my wah, so when my wah is not active in the loop I can still use Loop B as a Clean boost to push my Distortion pedals! Your results and use may vary, I recommend this pedal to musicians who are experimental with their effects and amps setups.
135
Versatile pedal that provides a lot of vale due to it's flexibility.
I have used this pedal as a loop selector for two dirt/distortion loops in the past, and it works flawlessly. I am currently using this to combine the stereo outputs of my Boss PS-6/ Boss RC-3 and sending the combined monaural signal to my amp or DI box. Again, works flawlessly! I have not used this to power additional pedals yet. Great value here.
1645
All your distortions are belong to us!
Allows me (a bassist) to use any dirt box I like. No more do I have to buy the more expensive "bass" pedal that just has a blend added to the circuit. Clean, solid low end on demand is a dream.
52
1255
The most versatile pedal no one talks about
So much more than a "line splitter", the LS-2 offers two effects loops along with every combination of how you want those inputs routed. This same pedal can be used to split a signal chain, add in (and take out) an effects loop, and even blend those loops in every way imaginable. It even offers a "9V power out" so you can use it to daisy-chain power to other pedals. I like playing around with my pedal board, and I like having options, so for me the LS-2 is indispensable. Indeed, I will be purchasing at least one more. This is a must-have pedal for me.
200
Parallel effects for bass & more.
There are multiple ways to use this pedal, but I use it to add fuzz to my bass tone, while leaving the low end untouched. I fuzz out 1 channel, and slowly blend it into the clean channel to get the tickle while retaining a solid low end.
822
Works like a Swiss Army Knife
This pedal is everything that you need to make some routing for signals and wet-dry stereo. I've been using it also to have my dry amp, then I add the effects with a nice blend. My most used config is A+B Mix - Bypass, so I put the Delay on A, the modulators on B and I run them on parallel, also I keep my dry signal for a big three-dimensional sound.
822
For the above instance, if you don't run modulations (like me), you can use a pedal patch and connect it in the same channel (A or B, in A+B Mix>Bypass mode). It brings a solid sound in the dry signal also to evade inverted phase issues.
822
Today I made some experiments, by following the sample settings included with this pedal. So, is possible to use it as a kind of FX Loops because a pedal chain or individual pedals can be attached on every channel. If the channel close the chain using the return, then that sound will be mixed in the bypass selection (depending the current mode). For example, I put the Echosystem in closed chain on B and the TS Mini on A, also as closed chain, then these sounds go mixed to the bypass signal. Actually, the three signals are mixed up, so you can listen to them very clear. Awesome pedal tha works as a mixer in a pedal. Suggestion: Bring more cable patches (shorts and larges) to experiment with your own equipment.
822
Next experiment: Routing stereo signals into a mono Amp.
822
While I still don't try stereo-mono routing, I've used the LS-2 at the end of the signal chain as a booster, in CH.A > Bypass mode, so I get the original signal and the boosted with one pedal push. It produces a nice volumen push with little gain and some compressing, a really good effect to balance the general output.
822
And by the way, you should definitely try parallel overdrives, this is in A+B Mix mode, and using two overdrives in the loops. You csn balance every channel output at your taste.
822
Right now, this white buddy returned to the box, but it is still an useful pedal. Switcher, booster, selector, signal router, all in one pedal.
822
Volume booster is why is on the pedalboard right now.
822
Using right now this pedal to A|B all my other pedals as two pedal chains.
822
I want to use this pedal to have a clean channel directly into the Fender Custom Deluxe Reverb, just in the sweet spot, for a nice rhythm.
Artist usage
Add artist
In this photo of Kevin's effects board, a Boss LS-2 can be seen next to the Diamond Vibrato which is in the top-right corner.
Arctic Monkeys' Alex Turner is seen using the Boss LS-2 Line Selector/Power Supply in his pedalboard setup. The Line Selector can be seen under Turner’s TS808 and next to the Morley ABY.
Jonny Greenwood can be seen using the Boss LS2 Line Selector Pedal in this photo.
Noel Gallagher using a Boss LS-2 Line Selector at Knebworth 1996. Noel's pedalboard shown in the Oasis Knebworth 1996 Documentary at 35:07 at the end of Supersonic. https://www.paramountplus.com/movies/oasis-knebworth-1996/FsgkdtzMwFAVQ54M_V9MRjEVXcGa2i0b/
In this image from a studio session, Smith is adjusting the parameters on a pedal. In the bottom-middle, we can see his BCB-60 full of Boss pedals, including an LS-2.
At 8:24 in this video, is a shot of Mike Kerr's pedal board, containing a Boss LS-2 Line Selector/Power Supply.
Used in Showbiz and Oos as a routing system before he had his Skrydtrup loop system
According to Guitar Lobby, Geddy used LS-2.
Visible in this photo of Cook's pedalboard, as sourced from this August 1, 2007 PMT article.
Album Usage
The Boss LS-2 Line Selector has been featured on the following albums:
Genre Usage
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Used With
Based on how musicians on Equipboard use Boss LS-2 Line Selector, it is most commonly used with the following gear.
Community setups
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