Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
4.5 (18)
$132.20
Guitar Center
4.5 (28)
$132.20
Amazon
4.6 (248)
$131.50 New
$125.98 Used (Like New)
Reverb
5.0 (66)
$95.71 New
$55.00 Used
Musician's Friend
4.0 (103)
$142.99 $132.20 $10.79 · All time low
Thomann
4.6 (95)
$129.00
Gear4Music
£127.75

Average Price: $119

Standard/Professional

$75

$201+

Price Tier

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Standard

High-end

Price History

Based on price data from 5 merchants for "Boss PH-3 Phase Shifter". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Introducing the Boss PH-3 Phase Shifter, a compact pedal that channels an array of vintage and modern phase effects into one accessible package. Boasting a rich selection of phasing options, this pedal offers Rise and Fall modes that create unidirectional sounds, adding a distinctive layer to your guitar's tone. This compact marvel is designed to make your musical journey as versatile and exciting as possible.

The PH-3's functionality extends to real-time control of rate, filter, and tempo, facilitated through intuitive knobs or by plugging in an optional expression pedal. It also includes a tap tempo sync function, allowing your phasing effects to effortlessly match the tempo of your jam. Whether you're a seasoned guitarist seeking to experiment with your sound, or a beginner eager to delve into the world of phase effects, the Boss PH-3 Phase Shifter is your ticket to an expansive sonic universe.

Key Features:

  • Compact pedal with a range of vintage and modern phasing options
  • Unique Rise and Fall modes for unidirectional phasing
  • Includes classic multi-stage phasers with selectable stages
  • Real-time control of rate, filter, and tempo via optional expression pedal
  • Tap tempo sync of phasing effects for seamless integration with your playing tempo
  • Optional expression pedal for additional control over the PH-3's rate

Owner's manual

Boss PH-3 Phase Shifter User Manual

Product specs

Pedal Type Phase Shifter
Inputs 1 x Instrument
Outputs 1 x 1/4"
Power Source 9V DC power supply (sold separately)
Batteries 1 x 9V
Height 2.4"
Width 2.9"
Depth 5.1"
Weight 0.9 lbs.

FAQs

What types of phase effects can the Boss PH-3 Phase Shifter produce?

The Boss PH-3 Phase Shifter offers multiple-stage phasing, including 4, 8, 10, and 12-stage phases, as well as unique Rise and Fall modes for unidirectional phase effects.

Is the Boss PH-3 Phase Shifter pedal analog or digital?

The Boss PH-3 is a digital phase shifter, providing greater control over phaser characteristics compared to its analog predecessors.

Can the Boss PH-3 Phase Shifter be powered by a battery?

Yes, the Boss PH-3 can be powered by a 9V battery, or alternatively, a 9V DC power supply (sold separately).

What are the input and output options on the Boss PH-3 Phase Shifter?

The Boss PH-3 Phase Shifter features a single 1/4" instrument input and a 1/4" output, suitable for standard guitar pedal setups.

How does the Boss PH-3 Phase Shifter differ from other phaser pedals?

The Boss PH-3 offers digital precision with multiple phase stages and unique Rise and Fall modes, providing versatile phasing options beyond traditional analog phasers.

BOSSchannel

BOSSchannel

BOSS PH-3 Phase Shifter [BOSS Sound Check]

Video thumbnail for BOSS PH-3 Phase Shifter [BOSS Sound Check] by BOSSchannel

BOSS PH-3 Phase Shifter [BOSS Sound Check]

BOSSchannel

BOSSchannel

Video thumbnail for Boss PH-3 Phase Shifter by World Music Supply

Boss PH-3 Phase Shifter

World Music Supply

World Music Supply

Video thumbnail for Boss PH-3 Phase Shifter | Reverb Demo Video by Reverb

Boss PH-3 Phase Shifter | Reverb Demo Video

Reverb

Reverb

Video thumbnail for BOSS PH-3 Phase Shifter Pedal Review by Sweetwater Sound by Sweetwater

BOSS PH-3 Phase Shifter Pedal Review by Sweetwater Sound

Sweetwater

Sweetwater

Video thumbnail for BOSS PH-3 Phase Shifter Demo by GuitarWithGabe

BOSS PH-3 Phase Shifter Demo

GuitarWithGabe

GuitarWithGabe

Video thumbnail for Boss PH-3 Phase Shifter Pedal by PMTVUK

Boss PH-3 Phase Shifter Pedal

PMTVUK

PMTVUK

Video thumbnail for MXR Phase 90 vs Boss PH-3 Phase Shifter by Middle Aged Gear Junkie

MXR Phase 90 vs Boss PH-3 Phase Shifter

Middle Aged Gear Junkie

Middle Aged Gear Junkie

Video thumbnail for Boss PH-3 - Phase Shifter - No Talking Demo by Borrowing Space

Boss PH-3 - Phase Shifter - No Talking Demo

Borrowing Space

Borrowing Space

Video thumbnail for Worst BOSS Pedal?! | PH-3 Phase Shifter by Leon Todd

Worst BOSS Pedal?! | PH-3 Phase Shifter

Leon Todd

Leon Todd

Reviews

PROS

  • Versatile with a wide range of sounds

  • Excellent for creating colorful, engaging riffs

  • Durable, reliable construction typical of BOSS pedals

  • Expression pedal input for expanded control

  • Built-in tap tempo for syncing effects

  • Highly tweakable for precise sound shaping

  • Can mimic classic phasers (MXR Phase 90, Small Stone)

  • Unique Rise and Fall modulation modes

  • Can be used effectively with both clean and distorted signals

  • Affordable, especially when bought used

CONS

  • Some users experience a noticeable volume drop on certain modes

  • Digital tone may not appeal to those seeking a warm, analog sound

  • Learning curve to master all its features and settings

  • Volume drop issues could be problematic for live performance

  • Some modes described as thin-sounding or sterile

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss PH-3 Phase Shifter.

Features and functionality

  • The "step phase" mode is likened to a keyboard arpeggiator, offering unique sound possibilities not present in many other phasers.

    Source
  • The "Rise" and "Fall" modes provide a Shepard tone-like constant rise/fall phase movement, adding unique sound textures.

    Source
  • The resonance knob on the PH-3 is highly praised for its effectiveness, potentially surpassing the EQD Grand Orbiter's resonance capabilities.

    Source
  • The PH-3 can simulate an auto-wah effect when using milder settings with low resonance, depth, and rate, offering unexpected versatility.

    Source

User experience

  • Some users report a noticeable volume loss on certain settings, like the 4-stage and 8-stage modes, while other settings may boost or maintain volume levels.

    Source
  • Owners enjoy using the PH-3 in subtle settings, like the 4-stage mode, with depth and resonance dialed back for a less pronounced effect.

    Source
  • Some owners were surprised by the pedal’s auto-wah-like performance after accidental knob adjustments, indicating hidden versatility.

    Source

Use cases and applications

  • The PH-3 is particularly popular for psychedelic and ambient music, with its "step phase" mode frequently used in psychedelic jam band settings.

    Source
  • The PH-3 can produce "laser" style sounds, appealing to those seeking unconventional, experimental tones.

    Source
  • Users find the step mode highly effective with combinations of washy reverb and delay, creating boutique-level sounds at an affordable price.

    Source

Comparisons

  • Although some prefer MXR phasers for their singular quality, the PH-3 is favored for its versatility and multiple phasing options.

    Source
  • While the Boss PH-3 is versatile, some users prefer the Phase 90 for its simplicity and built-in volume boost characteristic of MXR pedals.

    Source
  • The PH-3 is compared to high-end Moog pedals and the Rainbow Machine for unique sound effects, particularly in the step mode, highlighting its value.

    Source

Value and pricing

  • The PH-3 is noted for being affordable, often available for around $75, making it a cost-effective option for those wanting a range of phaser sounds.

    Source

Build quality

  • The PH-3 is noted for its durability, aligning with Boss's reputation for robust construction, making it a reliable choice for gigging musicians.

    Source

Critic Reviews

Boss PH-3 Phaser Review (full rundown) - Guitar Chalk

guitarchalk.com

The Boss PH-3 Phase Shifter impresses with its versatile phaser modes and impressive tone quality, blending modern and vintage vibes seamlessly. With seven phase modes and a three-band EQ, it offers exceptional control, though it lacks a wet/dry mix feature. While a bit pricey for a digital pedal, its build quality and sound more than justify the investment, making it a top choice for those seeking detailed modulation control. Despite the missing mix control, the PH-3 stands out as a robust and reliable choice for musicians looking to enhance their sound with a dynamic and adaptable phaser.

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4.5 out of 5

Based on 22 Reviews and 132 Ratings

5 star
4 star
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el_monje

I love it

The classic durable design by boss, the knobs feel very weak but the variety of options this pedal offers it's amazing and massive, maybe have a little volume drop but it's for the same effect and still works in live venues, if you look for build a shoegaze pedalboard this pedal is going to give you that movement that you are seeking, have a very step learning curve but it's worthy.

Preferred Settings + Usage:

I love to put it before the overdrive for the van halen esque-sound

From Gear Setup
andrabian

my favorite boss so far

We did not turn out to be besties with Boss pedals somehow, I might as well be an Ibanez guy, but I've always found a better option to Bosses. Maybe because of their boxy 80's design, or too digital look and feel. Having owned a few analog phasers, and read the reviews, I did not expect too much from this guy, apart from a bit more versatility, but I could not resist a good second hand price, and it well worth the money. Firstly, this thing sings. To me the 4 stage mode sounds just as good as an analog phaser. To be honest, a bit better in case of the MXR, and a bit less "organic" than the small stone, but the differences are minimal, and maybe appear at playing dynamics, but I could hardly pass a blind test comparison. To my ears the 4 and 10 stage mode sounds a bit more natural than the 8 and 12, I guess the latter may be more beneficial at studio application than live. I tend to keep it on 4 stage for by now, and use the fun modes for solos, especially "fall" which gives a very unique edgy decay for the solo licks. I've also found the step mode usable with appropriate rate settings. And here comes the real fun: an option to synch the rate with the song tempo! This is a feature that all phasers should have! At first I was playing it with an expression pedal, that turns the pedal into a very sensitive wah pedal. It is fun for some songs, but I rather pump it than adjust, as it's not easy to find the sweet spot, but the tap tempo mode does the job very well. If I could ask for more, I'd prefer to have double tap mode too but i you are patient, the pedal is capable to handle very slow taps just as well. This really shows the beauty of phasing. I'm considering to get an exterior switch to tap tempo with it while still having the option to bypass the pedal, but it's not really a necessity, since when I use a phaser I tend to keep it on for the whole length of the song. For the same reason the slight volume drop does not bother me at all. What could be really cool is an option to switch modes with an exterior switch. Might as well be a doable mod. Anyways, this pedal is much recommended, very versatile, and sounds just as good as the classics.

Roles:
florian_tennstedt

Versatile Sound, but I had problems with Volume

I got his for half the price because it was used for demo in our local music store. There are a lot of different sounds in this pedal, but what I dont like about it is the remarkable loss of volume, especially in the modes with less stages. My experience is, that this gets better the closer you place the pedal to the front of the signal path, but I usually want my modulation after the dirt pedals and even at first position there is a significant loss of volume. I dont know if this only a problem with my setup, but I read that others have experienced similar problems. For this reason I stick with my Marshall RG-1, which isnt that versatile when it comes to phaser-sounds (it only has a normal and a step phaser), but instead of lowering the volume it pushes it a little bit, which is great for leads imho. It also has chorus, flanger and a uni-vibe mode, so overall it is much more versatile than the PH-3, too. Again, i like the sounds of the PH-3, but the volume problems make it unusable for me.

jimmarchi1

worth buying

a friend's younger brother hipped me to the PH3 when it first came out...I mean, who uses a Boss phaser? they released a new phaser and I didn't even know it! turns out that the super phaser differentiates itself from the pack with all these useful modes... you can do 4, 8, 10, 12 stage phasing and you can set the LFO to be a ramp, a saw or 'steps'. Let your imagination do the work here!. So you're getting a cool tempo effect that's not trem or delay here in addition to the phasing. Your dad's orange phaser can't touch thata nd it costs more. Everyone needs a PH3 in their pedal drawer. Really fun with synths too.

fede_kempff

Que tal? tengo el mio recientemente , pero no logro que suene realmente bien con mis overdrives ...puede que este haciendo algo mal seguramente..mi cadena es guitarra , wah , fuzz, ep booster , overdrive 1 overdrive 2 phase...

jimmarchi1

@fede_kempff it doesn't sound 'really good' it just sounds cool because it goes places no other phaser goes (short of certain old mutrons, and yes, I have an old mutron phazor)... experiment with the order of FX though. Also keep in mind I don't use a bunch of effects on a pedalboard and I don't usually get my overdrive from a little floor box. I play loud if I want drive.

fede_kempff

I agree! It is a great super versatile phaser, it is true what you say ... it is not the same to use the saturation of your equipment than to mix the phaser with floor pedals ... it will be a question of trying the best possible options, thanks for your contribution!

cwirus88

Great phaser loaded with tons of tones!

I know that this green box is all-digital, so sure - there might be fatter and warmer sounding analog phasers but I believe it is high time to let digitals do their things. However if you want kind of entry-level phaser, cheap and reliable PH-3 is way to go - 7 modes (4,8,10,12 stages plus three experimental, synth-a-like), full tone control (rate, depth and resonance) and really decent sound quality. I find it to work best in front of a dirty amp (not in fx loop). Also, volume drop was reported on countless threads, but my PH-3 (from 2014) is volume-drop free, works perfect!

tarbyrocks

Versatile phaser with enhanced control for clean tones

I tend to keep it on the 4-stage phaser setting, to get something similar to the MXR Phase 90 except with a bit more control on the sound. I'll rarely use this with heavy distortion, mainly just with clean or slightly overdriven stuff.

tiagotxduarte

Incredible "rise and fall" effect

I alternate this with my MXR Phase 90 because this allows more control. The Rise and Fall options are amazing for adding denser waves of sound!

krissangerman

Psychedelic and Adaptable

The psychedelic guitar of the 70s is one of the sounds that I try to assimilate the most when creating and this pedal is ideal for that. The ability to play between the depth and expansion of the waves is addictive and always makes you want to look for more options when improvising. The option to indicate the time with the beats makes it very adaptable when you are creating with the band.

This review has been translated automatically into English. See original
will_saavedra

footsteps in the dark .

basically the ernie isley tone w one stomp. classic classsic sound man

E

flexible flanger but some tone suck

Quite a versatile phase shifter, but cold tone with some tone suck so have replaced it on my main board with the Digitech

Artist usage

Add artist
See how Dan Auerbach uses Boss PH-3 Phase Shifter

Dan Auerbach

Guitarist, Keyboardist

The Black Keys

...
Verified via YouTube

Dan Auerbach's rig includes an Boss PH-3 Phase Shifter Pedal that is connected on the same loop as a Boss OC-3 SUPER Octave Pedal.

See how Steve Vai uses Boss PH-3 Phase Shifter

Steve Vai

Guitarist

Whitesnake

...
Verified via YouTube

#ProductDemo Vai demos the pedal at 13:43, and talks about various possibilities in signal chain placement.

See how John Petrucci uses Boss PH-3 Phase Shifter

John Petrucci

Guitarist, Composer

Dream Theater

...
Verified via YouTube

"A Boss Phase Shifter" is used in John Petrucci's pedalboard, according to his guitar tech.

See how Billy Corgan uses Boss PH-3 Phase Shifter

Billy Corgan

Singer, Guitarist

The Smashing Pumpkins

...
Verified via Photo

This image comes from a "Rig Rundown" with Premier Guitar. As you can see, one of the pedals towards the bottom right of the board is a Boss PH-3 Phase Shifter.

See how Robert Smith uses Boss PH-3 Phase Shifter

Robert Smith

Singer, Guitarist

The Cure

...
Verified via Effects Bay

Included in list of Robert Smith's pedals

See how Thomas DeLonge uses Boss PH-3 Phase Shifter

Thomas DeLonge

Singer, Guitarist

Blink-182

...
Verified via Photo

As you can see from this picture on instagram, from Tom's studio, he owns/uses the Boss PH-3 Phase Shifter.

See how Daron Malakian uses Boss PH-3 Phase Shifter

Daron Malakian

Singer, Guitarist

System of a Down

...
Verified via Photo

The Boss PH-3 was used on Daron's pedalboard for the first Scars on Broadway show at the Whisky A Go Go in West Hollywood on April 11, 2008. Picture taken by band photograph Greg Watermann.

See how Graham Coxon uses Boss PH-3 Phase Shifter

Graham Coxon

Guitarist

Blur

...
Verified via Photo

Dan Steinhardt (from That Pedal Show) posted a picture of that pedal on a board on instagram, mentioning it was build for Graham: "A few tweaks but finished this #pedalboard and delivered it to its new home with none other than #grahamcoxon huge thanks to Joe@thegigrig for being a superstar and helping me get this done"

See how Thundercat uses Boss PH-3 Phase Shifter

Thundercat

Singer, Bassist

Suicidal Tendencies

...
Verified via YouTube

Check at 6:20 when you can see the effects that he has on the table. And when he starts playing the song Them Changes you can clearly hear a phaser along with an octave up from the Whammy.

See how Mike Einziger uses Boss PH-3 Phase Shifter

Mike Einziger

Guitarist

Incubus

...
Verified via YouTube

A Boss PH-3 Phase Shifter Pedal is used in Mike Einsiger's pedalboard.

See how Chromeo uses Boss PH-3 Phase Shifter

Chromeo

Music Producer

...
Verified via Photo

In a May 2022 Instagram story, Chromeo's Dave 1 featured the Boss PH-3 Phase Shifter.

See how Alex Gaskarth uses Boss PH-3 Phase Shifter

Alex Gaskarth

Singer, Guitarist

All Time Low

...
Verified via Flickr

You can see the ph-3 on Alexs pedal board

Used With

Based on how musicians on Equipboard use Boss PH-3 Phase Shifter, it is most commonly used with the following gear.

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Community setups

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E

enricoros

Gear IQ 440

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janwal

Gear IQ 218

fede_kempff

fede_kempff

Gear IQ 1704

fede_kempff

fede_kempff

Gear IQ 1704

fede_kempff

fede_kempff

Gear IQ 1704

monochrome

monochrome

Gear IQ 1064

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irontrain

Gear IQ 64

harrisontargett

harrisontargett

Gear IQ 234

ca138

ca138

Gear IQ 290

el_monje

el_monje

Gear IQ 569

evan_jb

evan_jb

Gear IQ 507

evan_jb

evan_jb

Gear IQ 507

filsco

filsco

Gear IQ 267

mrowek

mrowek

Gear IQ 147

chavaraujo

chavaraujo

Gear IQ 265

evan_jb

evan_jb

Gear IQ 507

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suly_s

Gear IQ 60

alexander_nava

alexander_nava

Gear IQ 496

adambrister

adambrister

Gear IQ 359

bard_j_k_silo_mirakel_kollen

bard_j_k_silo_mirakel_kollen

Gear IQ 58

guitarslinger78

guitarslinger78

Gear IQ 311

el_monje

el_monje

Gear IQ 569

filsco

filsco

Gear IQ 267

ryanhislop

ryanhislop

Gear IQ 222

gillyribeiro

gillyribeiro

Gear IQ 865

bearofmantra

bearofmantra

Gear IQ 62

alexander_nava

alexander_nava

Gear IQ 496

evan_jb

evan_jb

Gear IQ 507

alecani

alecani

Gear IQ 2413

gay_dilla

gay_dilla

Gear IQ 57

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oliver_martin

Gear IQ 210

adrianjude

adrianjude

Gear IQ 176

ryanhislop

ryanhislop

Gear IQ 222

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cccasualcccrypt

Gear IQ 58

ryanhislop

ryanhislop

Gear IQ 222

gillyribeiro

gillyribeiro

Gear IQ 865

5 alternative and related items for Boss PH-3 Phase Shifter, curated by the Equipboard community.

MXR Phase 95

$109.99 - $119.00

similar sound

MXR phase 90 is less intimidating , has less knobs and gets straight to the point . This is a cheaper option too .

Marshall RG-1 Regenerator

$47.81 - $178.00

similar sound cheaper alternative

Usually the RG-1 costs half of a new PH-3 on the used market, it has less phaser sounds than the PH-3, but also provides chorus, flanger and a uni-vibe mode. Most importantly, it doesnt cut the volume, instead it brings it up a little.

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