Best Guitar Amplifier Controllers in 2025

Daisy
Last Updated: Oct 31, 2025

At a Glance: Our Top Picks for Guitar Amplifier Controllers

mxuteuk 3Pcs Blue Aluminum Alloy Potentiometer Control Knob Volume Audio Electric Guitar Bass Screw Type 25 x 15.5mm (d*h) KNOB-06-25BU
#TOP1
Mxuteuk 3Pcs Blue Aluminum Alloy Potentiometer Control Knob
9.6
PM SCORE
DaierTek 10pcs Black Davies 1900h Clone Guitar Effect Pedal knob 1/4 Shaft Set Screw for Amplifier amp boss Volume Control
#TOP2
Daiertek 10Pcs Black Davies 1900H Clone Guitar Effect
9.3
PM SCORE
2-Pack Set Screw Style Aluminium Potentiometer Knobs 1/4" Universal Top Hat Knobs Bell Volume Tone Control Knobs for Guitar/Bass/AMPS/Preamps Silver
#TOP3
2-Pack Set Screw Style Aluminium Potentiometer Knobs 1/4"
6.4
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Guitar Amplifier Controllers of 2025

Market Overview
Guitar Amplifier Controllers Reviewed
  • Reviews Analyzed: 660 Items
  • PM Avg. Rating: 4.7 / 10
25 Products Evaluated
  • Highest Price: $19.99
  • Lowest Price: $6.49
  • Avg. Price: $10.33
#TOP1

Mxuteuk 3Pcs Blue Aluminum Alloy Potentiometer Control Knob Volume Audio Electric Guitar Bass Screw Type 25 X 15.5Mm (D*H) Knob-06-25Bu

MXUTEUK
KNOB-06-25BU
0.98 X 0.61 X 0.01 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
mxuteuk 9.87

Features

Product Name : Knob;Material : Aluminum;

Fit for Shaft Hole Dia. : 6mm/ 0.23". We have a small wrench for the knob,You may use it to adjust the shaft hole size;

Size:25 x 15.5 mm / 0.98" x 0.61" (d*h);

Color: Blue;

Package :3 x Blue Knobs + 1 x Wrench

Daiertek 10Pcs Black Davies 1900H Clone Guitar Effect Pedal Knob 1/4 Shaft Set Screw For Amplifier Amp Boss Volume Control

DAIERTEK
0.62 X 0.50 X 0.50 Inches
0.01 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DaierTek 9.93

Features

Material: Guitar effect knobs is made of ABS (plastic),set screw with brass insert.Fits 1/4" (6.35mm) shaft diameter pots.

Total Height: 15.78MM; Base Diameter: 12.7MM

The knob is available in three colors: Black or White or Cream. (If you need more colors, you can contact us.)

Application: Guitar effect knob is widely applied to control the effect of a variety of functions,such as level, speed, voice, etc.Can be used for synthesizers, electric guitar,etc.

Package Included: 10pcs X guitar effect knob

#TOP3

2-Pack Set Screw Style Aluminium Potentiometer Knobs 1/4" Universal Top Hat Knobs Bell Volume Tone Control Knobs For Guitar/Bass/Amps/Preamps Silver

DOPRO
2XK1828-SILVER-DOPRO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dopro Musical Parts 9.90

Features

CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Top hat design for most guitars and basses (Include import or American series Strats or Les Pauls as well as many other models ). Fit Guitar/Bass/Amplifier/Preamps/Power Amplifier or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts

Dimension: 24mm(61/64") Bottom Outer diameter * 19mm(3/4") Top Hat Body diameter * 14.5mm(37/64") Height * 6.35mm(1/4") Innder diameter; Please make sure this is the correct size for your project

Package includes two knobs and an Allen wrench

#TOP4

Uxcell 10Pcs 6Mm Shaft Hole Knob For Speaker Effect Pedal Amplifier Potentiometer Knob Grey Mark

UXCELL
A19082200UX0036
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts Accessories

Great for guitar amp knobs replacement.Can be used for synthesizers, electric guitar,ect

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Dimension: 15mm x 17mm / 0.59" x 0.67" (Dia*H)

#TOP5

Musiclily Pro Imperial 1/4" Inch Plastic Vintage Barrel Guitar Amplifier Control Knobs With Set Screw For Fender Amp Style Solid Shaft Cts Pots, Cream (Set Of 6)

MUSICLILY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Musiclily Direct 9.89

Features

Fits amplifier and US standard solid shaft CTS potentiometer

With set screws, works with 1/4" (6.35mm) solid shaft CTS pots and other US standard pots

Classical design, heavy weight

Made of fine melamine plastic

Package includes: 6 pcs knobs and a small screwdriver

Uxcell 10Pcs 6Mm Splined Shaft Hole Knob For Speaker Effect Pedal Amplifier Black Potentiometer Knob White Mark

UXCELL
A19082200UX0049
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts Accessories

Great for guitar Amplifier knobs replacement.Can be used for synthesizers, electric guitar,ect

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Dimension: 15mm x 15mm / 0.59" x 0.59" (Dia*H)

Szliyands 40 X 18Mm Aluminum Alloy Potentiometer Control Knob Volume Audio Electric Guitar Bass Screw Type, For 6Mm Diameter Shaft (Black)

SZLIYANDS
1.57 X 0.71 X 0.01 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Szliyands 9.89

Features

Product name: knob, Material : Aluminum,

We have a small wrench for the knob,You may use it to adjust the shaft hole size,These knobs have no plastic inserts; they are CNC machined from a single piece of solid aluminum with anodized surface for durability.

Size:40 x 18 mm / 1.57" x 0.7" (d*h); inner Hole diameter: 6mm/ 0.23".

Color:black;

Package :black rubber ring and black knob + small wrench

#TOP8

4Pcs 25 * 15.5Mm Aluminium Potentiometer Knobs 1/4" Universal Metal Pot Control Knobs With Indicator & Set Screw For Guitar/Bass/Efffect Pedal/Amps/Preamps/Audio Equipments Gold

DOPRO
4XK1818-GOLD-DOPRO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dopro Musical Parts 9.90

Features

CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Universal Knobs designed to fit Guitar/Bass/Amplifier/Preamps/Power Amplifier or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts

Dimension: 25mm(63/64") Outer diameter * 15.5mm(39/64") Height * 6.35mm(1/4") Innder diameter; Please make sure the size is correct for your project

Package includes four knobs and an Allen wrench

Uxcell 4Pcs Potentiometer Knob Style Amplifier Replacement Knob Black With Gold Cap Volume Control Knob

UXCELL
A19091700UX0246
0.77 X 0.61 X 0.04 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Can be used as a replacement on Amplifiers

For control the effect of a variety of functions,such as level, speed, voice

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6.4mm) solid shaft potentiometers

Speaker Control Knob Volume Control Knob

#TOP10

Kaish 2-Pack 43/64"(17Mm) Diam. Aluminium Potentiometer Knobs 1/4" Universal Metal Pot Control Knobs For Guitar/Bass/Efffect Pedal/Amp Amplifier/Preamps/Audio Equipments Gold Without Indicator

KAISH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kaish Music 9.93

Features

KAISH CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Universal Knobs designed to fit Guitar/Bass/Amplifier/Preamps/Effect Pedal/Power Amplifier or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts

Dimension for model with indicator: 17mm(43/64") Outer diameter * 17mm(43/64") Height * 6.35mm(1/4") Innder diameter; Dimension for model without indicator: 17mm(43/64") Outer diameter * 16mm(41/64") Height * 6.35mm(1/4") Innder diameter;Please make sure the size is correct for your project

Package includes two knobs and an Allen wrench

#TOP11

Kaish 2Pcs 53/64"(21Mm) Diam. Aluminium Potentiometer Knobs 1/4" Universal Metal Pot Control Knobs W/Set Screw For Guitar/Bass/Efffect Pedal/Amplifier Amps/Preamps/Audio Equipments Black

KAISH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kaish Music 9.93

Features

KAISH CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Universal Knobs designed to fit Guitar/Bass/Amplifier/Preamps/Effect Pedal/Power Amplifier or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Body with stripe design. Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts

Dimension: 21mm(53/64") Outer diameter * 17mm(43/64") Height * 6.35mm(1/4") Innder diameter; Please make sure this is the correct size for your project

Package includes two knobs and an Allen wrench

Uxcell 2Pcs Potentiometer Knobs Copper Tone Aluminum Volume Control Knob Amplifier Electric Guitar

UXCELL
A19091700UX0237
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts Accessories

Great for guitar amp knobs replacement.Can be used for synthesizers, electric guitar,ect

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Knob Diameter: 13mm / 0.51" ; Knob Height: 13mm / 0.51"

Uxcell 4Pcs Speaker Control Knob Power Amplifier Knob 24X14Mm Arrow Indication Knob Cap For 6Mm Dia. Shaft Potentiometer

UXCELL
A19091600UX0608
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Widely use for guitar effect pedal knobs, amplifier control knobs, guitar parts accessories, and for controlling the effect of a variety of functions, such as level, speed, voice, etc.

Easy to use, plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Convenient to use, great accessories for DIY or to replace broken ones.

Please confirm the mounting hole style and size before you buy.

#TOP14

Uxcell 2Pcs Guitar Amp Effect Pedal Knobs Pointer Control Knobs With Set Screw Aged Red

UXCELL
A19082200UX0066
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts Accessories

Used for effect pedals or amplifiers.

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Dimension: 19mm x 14mm / 0.75" x 0.55" (Dia*H)

Uxcell 4Pcs Potentiometer Knob Style Amplifier Replacement Knob Black With Silver Tone Cap Volume Control Knob

UXCELL
A19091700UX0249
0.77 X 0.61 X 0.01 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Can be used as a replacement on Amplifiers

For control the effect of a variety of functions,such as level, speed, voice

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6.4mm) solid shaft potentiometers

Speaker Control Knob Volume Control Knob

#TOP16

Kaish 2Pcs Aluminium Potentiometer Knobs 1/4" Universal Top Hat Knobs Bell Control Knob With Set Screw For Guitar/Bass/Amps/Preamps Gold With Indicator

KAISH
2XK1828-GOLD
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kaish Music 9.93

Features

KAISH CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Top hat design for most guitars and basses (Include import or American series Strats or Les Pauls as well as many other models ). Fit Guitar/Bass/Amplifier/Preamps/Power Amplifier or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts

Dimension: 24mm(61/64") Bottom Outer diameter * 19mm(3/4") Top Hat Body diameter * 14.5mm(37/64") Height * 6.35mm(1/4") Innder diameter; Please make sure this is the correct size for your project

Package includes two knobs and an Allen wrench

#TOP17

Hahiyo 19Mm Diameter Amp Effect Pedal Knobs Authentic Accurate Control Smooth Rotary Prevent Slipping Clean Threads Adding Personality White 10 Pcs For Guitar Amplifier Volume Control Potentiometer

HAHIYO
2021061803-PEDAL KNOBS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Strum freely:The nice thing about this type of knob is that it's fairly reliable and easy to adjust.They will sit on your guitar just as the original one,work with a more tactile knob like this will cause no awkward feeling to jam your inspiration.When they located in your strum path,you can roll with them at performing and create amazing rhythm freely.

Smooth rotary:Knobs have a good weight with quality texture,a polished surface that feels great between thumb and forefinger.Provides accurate and fine-grained control.You don’t need to crank them down too hard to prevent the knob from slipping when hitting either end of the pot's rotation,they can make your button more cozy to the hand or foot.

Add personality:If you had an old amp in the closet missing a few knobs,apply these will bring the amp back to life and give it a little more personality.Even it is not be directly getting the touch impression,people walking around your gear will get a really nice impression as each of them passes in front of all your knobs in the viewers perspective.

Quality plastic:They are strong and easily fit on the potentiometers.Great little knobs with well made hardware and machining,no burrs to block the threads.Other knobs might be driving you nuts since the tiny unsteady stem knobs on the instruments.Even if you don't have especially big fingers,the thick solid stem on these knobs can be a breeze for you to adjust.

Multi-Function:Great to use for replacement or emphasis knob recognition.Come in handy for building guitar effects and restoring old recording equipment.Very cool way to customize your pedals,replace the knobs on an old fuzz pedal with these!Or use these to finish off a diy synth that had a effects with similar knobs,they just make almost any gear you put them on look more professional.

Uxcell 10Pcs 6.4Mm Shaft Hole Guitar Amp Effect Pedal Knobs Pointer Control Knobs With Set Screw Black

UXCELL
A19082200UX0071
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Widely use for guitar effect pedal knobs, amplifier control knobs, guitar parts accessories, and for controlling the effect of a variety of functions, such as level, speed, voice, etc.

Easy to use, plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Fits 1/4" (6.4mm) shaft pots

Please confirm the mounting hole style and size before you buy.

Uxcell Potentiometer Knob Silver Tone Aluminum Volume Control Knob Amplifier Electric Guitar

UXCELL
A19091700UX0238
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts Accessories

Great for guitar amp knobs replacement.Can be used for synthesizers, electric guitar,ect

Plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Knob Diameter: 13mm / 0.51" ; Knob Height: 13mm / 0.51"

#TOP20

5Pcs Potentiometer Knobs Silver Tone Top Rotary Knobs For 6Mm Diameter Shaft Guitar Effect Pedal Knobs Amplifier Control Knobs 23Mm Knob Top Diameter

THE LORD OF THE TOOLS
LOT582_BO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Lord of the Tools 5.35

Features

Widely used in guitar effect pedal knobs, amplifier control knobs, guitar parts accessories with 6mm control shafts, and for controlling the effect of a variety of functions, such as level, speed, voice, etc.

Push-on design, easy to install, and with screw on single side to fix, not easy to fall off.

Classic and simple style, and with well-processed surface, sleek appearance and comfortable touch.

Button top diameter-23 mm, shaft holes diameter-6mm, height-13 mm.

Please confirm the mounting hole style and size before you buy.

#TOP21

Uxcell 5Pcs 6.4Mm Shaft Hole Guitar Amp Effect Pedal Knobs Pointer Control Knobs With Set Screw Green

UXCELL
A19082200UX0073
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Widely use for guitar effect pedal knobs, amplifier control knobs, guitar parts accessories, and for controlling the effect of a variety of functions, such as level, speed, voice, etc.

Easy to use, plastic control knob to be assembled to a potentiometer for easier rotation.

Fits 1/4" (6mm) shaft pots

Fits 1/4" (6.4mm) shaft pots

Please confirm the mounting hole style and size before you buy.

Fastrohy 12Pcs Guitar Amp Knob Amplifier Skirted Knobs Volume Tone Control For Fender, Black

FASTROHY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BODYA Jewelry 8.89

Features

Made of high quality material which is durable and long life.

Very easy to install. Color: Black with Silver Top.

Material: Plastic (No Set Screw).

Total height: approx. 18mm; Top diameter: approx. 12mm; Bottom diameter: approx. 23mm. Fits 6mm/0.24Inch diameter pots.

Package included: 12 X Guitar Amp Knobs.

#TOP23

Yootones 12Pcs Guitar Amp Effect Pedal Knobs Pointer Control Knobs Compatible With Guitar Parts (White)

YOOTONES
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Yootones-US 9.92

Features

Guitar effect pedal knob is compatible with effect pedals or amplifiers.

Guitar effect pedal knob is made of high-quality plastic, strong and durable.Control knob to be assembled to a potentiometer for easier rotation.

Color: Black, Red, White(Optional);Size:bottom circle :19mm/0.75" ,high:15mm/0.59",Inner hole :6m

Pack of 12.Easy to install.A good replacement part for broken or old one.

Metric size is popular in guitars bass made outside the USA/Mexico.

#TOP24

Healifty 4Pcs Wood Effect Pedal Control Amplifier Knobs For Electric Guitar Bass (Red)

HEALIFTY
OJ18J16B13OPYKJX
0.77 X 0.77 X 0.72 Inches
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nancelelor 9.72

Features

Made of high quality material, the knob is durable and long lasting use.

It is suitable for guitar bass and amp replacment.

Fits shaft import concentric pots and split shaft pots.

Great tools which can provide help in guitar replacment.

#TOP25

4Pcs 30 * 17Mm Aluminium Potentiometer Knobs 1/4" Universal Pot Control Knobs With Indicator And Set Screw For Amp Amplifier/Power Amplifier/Preamps/Audio Equipments Silver

DOPRO
4XK1835-SILVER-DOPRO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dopro Musical Parts 9.90

Features

Dopro CNC machined universal 1/4" innder diameter knobs with set screw; Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft

Universal Knobs designed to fit most Amplifier/Preamps/Power Amplifier/Some Pedals or other Audio Equipments with 1/4" shaft potentiometers. Set screw can help you lock the knobs into position with no possibility of falling off

Well made flawless finish knobs without burrs or sharp edges, great full aluminium heavy knobs without any plastic inserts

Dimension: 30mm(1-3/16") Outer diameter * 17mm(43/64") Height * 6.35mm(1/4") Innder diameter; Please make sure the size is correct for your project

Package includes four knobs and an Allen wrench

Top 10 guitar amplifier controllers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Uxcell 10
Dopro 3
Kaish 3
Daiertek 1
Fastrohy 1
Hahiyo 1
Healifty 1
Musiclily 1
Mxuteuk 1
Szliyands 1

Top 10 guitar amplifier controllers Brands Pie Chart


We've carried out a comprehensive analysis of 660 reviews on guitar amplifier controllers, using our selection criteria to identify the best options in the musical instruments. Our findings reveal that most customers typically select guitar amplifier controllers priced around $10.33, with top brands including positive grid, fender, uxcell, lyxpro, leo jaymz, keenso, musiclily, daiertek and yootones and the lord of the tools

Our team of expert editors reviewed these high-quality items and handpicked the top 25 guitar amplifier controllers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the musical instruments category. These include positive grid, austin bazaar, uxcell, dbroth, leo jaymz, amazon warehouse, geeriu, musiclily direct and daiertek and yootones-us .

We are dedicated to assisting our users in finding the right knobs Products based on their needs, saving them considerable time when choosing which guitar amplifier controllers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.