Boss FS-5U

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$36.81 to $51.99 Price Tier: Budget

4.5 (66)

8 Reviews

Find out who is using Boss FS-5U

12 community setups

16 wishlisted

170 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 10 stores. Prices updated July 3, 2026.

Store

Reviews

Price

4.5 (47)

$46.99

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5.0 (18)

$51.99

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4.7 (561)

$44.99

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5.0 (39)

$36.81 68 available New

$12.84 56 available Used

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4.0 (33)

$51.99 $46.99 $5.00

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5.0 (3)

$51.99

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4.9 (14)

$46.99

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4.8 (1063)

$44.00

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£40.30

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$51.99

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Average Price: $44

Budget/Beginner

$60

$176+

Price Tier

In the Switch Effects Pedals category, Boss FS-5U is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Boss FS-5U". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Introducing the Boss FS-5U, a non-latching footswitch that's perfectly crafted to meet your unique musical needs. This compact and lightweight gear is specifically designed for musicians who require an effect that only engages when your foot is on it, making it perfect for spot delay or sustain. With its robust and durable construction, the FS-5U is built to withstand the rigors of live performances and prolonged use.

Boss offers two types of footswitches, and the FS-5U is a momentary-type footswitch, which means it lets you engage a function while holding down the switch. This offers you complete control over your effects, allowing you to add depth and texture to your music exactly when you need it.

Whether you're practicing at home, recording in the studio, or performing on stage, the Boss FS-5U is a vital addition to your gear setup. Its simple design and ease of use make it a practical choice for both beginners and experienced musicians alike.

Key Features:

Non-latching footswitch ideal for spot delay or sustain
Robust and durable construction built for prolonged use
Momentary-type footswitch that lets you engage a function while holding down the switch
Compact and lightweight design ideal for traveling musicians
Offers complete control over your effects
Practical and easy to use for musicians of all skill levels

Product specs

Polarity Switch

Yes

FAQs

Does the Boss FS-5U footswitch require any power source or batteries?: No, the Boss FS-5U is a passive footswitch that does not require any power source or batteries to operate.
What is the difference between the Boss FS-5U and FS-5L footswitches?: The FS-5U is a momentary "unlatch" footswitch, while the FS-5L is a latch-type switch with an LED indicator. Both can be connected using standard guitar cables.
What type of cable should I use with the Boss FS-5U?: Use a 1/4" TS cable to connect the Boss FS-5U to compatible devices, such as control inputs on amplifiers or effects units.
Can the Boss FS-5U be used with keyboards or synthesizers?: Yes, the Boss FS-5U can be used with keyboards and synthesizers that support momentary footswitch inputs, making it versatile for various musical applications.
Does the Boss FS-5U have a polarity switch?: Yes, the Boss FS-5U includes a polarity switch, allowing it to be compatible with a wide range of devices by adjusting the switch to match the required polarity.

Videos

Add video

GearTestUA

BOSS FS-5U, FS-5L, FS-6 Foot Switch - By GearTestUa

GearTestUA

Boss FS-5U Foot Switch | Reverb Demo Video

Reverb

Boss FS-5U Review and Tear Down

Joby

BOSS FS-5L & FS-5U Latching & Momentary Foot Switches

Cryptic Mask Guitar

Reviews

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PROS

Enhances live performance with easy single-tap operation
Compatible with a wide range of devices (RC-1 Loop Pedal, Boss JS-8, SY-200, etc.)
Durable, heavy-duty construction expected to last indefinitely
Non-slip rubber pads ensure stability during use
Can be cable-tied for stationary placement
Polarity switch increases versatility for various setups
Side rail system allows for easy multi-unit attachment
Improves functionality of devices like metronomes and loop stations
Simplifies complex pedal operations (e.g., loop clearing without accidental playback)
Can be used as both a sustain pedal and a footswitch

CONS

Sharp edges may pose a risk of injury
Some units have reported cosmetic defects and poor craftsmanship
Quality control seems inconsistent across different batches
Certain users prefer newer models with additional functionalities

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss FS-5U.

Features and functionality

0 0

The FS-5U sends two signals: one when depressed and another when released, affecting trigger behavior.
Source
0 0

The FS-5U is a passive momentary switch that shorts the tip to the sleeve, lacking debounce circuitry.
Source

Software and compatibility

0 0

Connecting the FS-5U to the SPD-SX's footswitch 1/2 input allows it to function as a trigger.
Source
0 0

Disconnecting cables without powering off the Boss looper can cause malfunctions, as per the manual.
Source

Setup and maintenance

0 0

Changing the polarity on the FS-5U ensures the trigger occurs upon depression rather than release.
Source
0 0

Ensure the FS-5U is set to "normally closed" to avoid issues with Boss loopers, as they require this setting for proper operation.
Source

Use cases and applications

0 0

The FS-5U can trigger samples on the SPD-SX without using hands, useful in live performance scenarios.
Source
0 0

Shorting a regular guitar cable's tip and sleeve can simulate the FS-5U's momentary switch function for troubleshooting.
Source

Add review

4.5 out of 5

Based on 8 Reviews and 66 Ratings

5 star

4 star

3 star

2 star

1 star

chapersdale

1086

almost 4 years ago

Perfect pedal extension

Bought this to use with my RC-1 Loop pedal and it's really helped me unlock the loops potential. I've also used it as an expression pedal on a few keyboards and it does that pretty well too.

Roles:

Guitarist

Genres:

Rock Indie rock Ambient

From Gear Setup

gillyribeiro

865

over 8 years ago

Stirdy and reliable

This is the no-compromise go-to pedal for a non-latching footswitch. Built like a tank, it will most likely outlive you and your band members, even if you all go to war. With a side switch to toggle between "normally open" and "normally closed" states, this pedal covers every use you can imagine.

Roles:

Guitarist Composer Music Producer

Genres:

Rock Blues Progressive rock

erik_james

134

over 5 years ago

Does the job well, and it tough

This pedal is good., but there are better Boss switches now, such as the FS-7 dual footswitch with non-latching and latching functionality.

jamesnotjim

367

over 7 years ago

Does what I need. Built like a tank.

Right now, I use this as a tap tempo for my Boss AW-3 Auto Wah. I've used it for lots of other things in the past. It's solid and, if you need more than one, you can lock them together with a mechanism that's part of the case design.

Roles:

Guitarist Bassist Composer

Genres:

Rock Folk, World, & Country Blues

From Gear Setup

sonnivate

280

over 6 years ago

tt

What the hell do you expect. It's a footswitch. It works. Moveonnextquestion

rickmeister4

166

over 9 years ago

Use it for all your unlatching needs!

I use the FS-5U with my Boss DD-7 perfect for tap tempo!

themobiusttriper

111

almost 10 years ago

And Jesus wept

for there were no more mountains to conquer in the world of single-non-latching foots-witches. Life cruel sometimes -this is how life compensates. Thanks life.