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The MXR Phase 90 has been a pedalboard staple since the mid-1970s. Since its introduction, this classic stompbox has remained relatively unchanged with just a single knob to control the speed of the phase shifting. When on a lower setting, the sound moves slower for broader sonic swells, while higher speeds offer more warbly motion. Whether you're chasing that Van Halen tone, trying to funk up your cleans or just experimenting, the single-knob Phase 90 is a proven place to enter the world of phase shifters.

The MXR Phase 95 is a mini phaser pedal that squeezes the sound and function of the Phase 45 and Phase 90 into a compact enclosure -- about half the size of a standard MXR pedal. Flip between two-stage Phase 45 and four-stage Phase 90 modes to set the overall intensity, dial in your speed with a single knob, and then flip between modern and vintage "Script" modes, switching feedback out of the circuit in the latter mode for a more subtle, high-headroom sound. If you're in need of a wide range of swirling, swooshing phase sounds but don't quite have the space on your board for multiple phasers, take a long hard look at the Phase 95.

The MXR EVH Phase 90 was designed to pay homage to one of the most famous Phase 90 users of all time: Eddie Van Halen. With a Van Halen-inspired chassis and the same phaser-y goodness that can be found on songs like "Eruption" and "Ain't Talkin' 'Bout Love," the EVH Phase 90 is the ultimate in providing Van Halen "tone in a box."

Packing an arsenal of phaser effects from vintage sounds to cutting-edge tones, the PH-3 is a versatile, all-in-one phase shifter. The pedal includes Rise and Fall modes, classic multi-stage phasers, selectable stages, and Rate/Depth/Res knobs.

The MXR Script Phase 90 LED is a Custom Shop phase shifter adds an LED on/off indicator to a legendary vintage design. All of the classic, swirling phaser sounds from the original "script logo" pedals are here in spades, with a fantastic build quality that'll have you rethinking whether you should shell out major bucks for an original.

A reissue of the much beloved Phase 100 and similar in build to the renowned Phase 90, the MXR M107 Phase 100 Reissue gives you more phasing choices than ever before. Taking its cue from the original '70s model, you get smooth, gorgeous phasing and the chance to choose between four selectable waveforms. Dial up the speed for some crazy phasing or dial it back for a more relaxed vibe; either way, you get the killer sound inherent in an MXR phaser.

From classic phaser tones of '70s rock and synth pop to next-level phasing, the Strymon Zelzah may just be the last phaser you'll ever want or need. It's a stereo phaser that has four phasers built in—two on each side. One side contains two four-stage phasers, offering classic, barber (continuous upward or downward), or envelope-controlled phase tones. On the other are two six-stage phasers built around a modified all-pass filter. You can use each side alone, run them together in series or parallel, or split their output to the left and right channels.

The Keeley BubbleTron is a dynamic flanger, phaser, and synth filter inspired by Frank Zappa’s unique soundscapes. The flanger section is mostly Zappa-inspired, based on the MicMix DynaFlanger he used in the ‘70s and ‘80s. The DynaMoPhase section of the BubbleTron features two phasers—one true dynamic phaser that starts and stops based on pick attack strength and one LFO with speed determined by the rate control. If you’re looking for a Zappa fan looking for a super sculptable modulation effect, the BubbleTron is right for you.

Based on the legendary '70s original but with a sleeker, more compact chassis, the Electro-Harmonix Bad Stone reissue is a faithful rendition of one of the company's most coveted effects. The pedal features a three-knob interface and six phasing stages perfect for that classic rock tone.

Bringing back the look and feel of the coveted Phase 90 with the original script logo, the MXR Phase 90 Script Reissue demonstrates vintage style with modern sensibilities. The sound is as psychedelic as ever, continuing to provide the same phase shifted tone that made the Phase 90 a favorite of Eddie Van Halen's. The only real way to tell the Script Reissue apart from its predecessor is the LED status light.

Described by Walrus as as the "cousin" of its Julia Chorus/Vibrato, the Lillian Phaser lets you choose between a four- or six-stage phasing effect and features control knobs for Rate, Width, and Feedback—which enhances select frequency bands to help cut through a mix. A dry blend knob gives you the option to not only choose how much of the effect can be heard, but to max-out the phasing for a vibrato effect.

Featuring a compact design and intuitive controls for rate and color, the Nano Small Stone takes the phase-shifting power of the original and offers it in a pedalboard-friendly chassis. If you want a workhorse phaser at an attainable price, the Nano Small Stone is an easy decision.

The Moon Pool Tremvelope Phaser is an analog phase shifter and tremolo unit that gives you independent control over both effects. And it's here where the magic happens. You can choose a slow phase effect with quick, beating tremolo on top, or a quick phase with a slow, wave-like trem, or any combination in between. Find your favorite speeds and let them ride.

Featuring the iconic, sturdy Boss enclosure and streamlined controls for rate, resonance and depth, the Boss PH-1R Phaser gives a striking but tasteful phased analog edge to your tone. Capable of adding a completely phased sound or low-end presence all without adding noise to your signal, the PH-1R is great for psychedelia, stoner rock, or garage.

Featuring 6- and 12-stage phasing and controls for sweep, resonance and LFO rate/amount, the MoogerFooger MF-103 12-Stage Phaser is the ultimate tool in exploring uncharted phasing territory. Known for their quality construction and expansive capabilities, the MoogerFoogers have been favorited experimental pedals since the line's inception, and the MF-103 is no exception. This is an ideal pedal for prog, psychedelia, or stoner rock.

The Dweller features one toggle for selecting between its four- and eight-stage phaser voices and another for choosing one of three wave shapes: sine, triangle, or random step. The phaser effect is shaped by familiar controls—Rate, Depth, and Regen (to increase intensity)—while the "Stretch" control is responsible for dialing in delay times for each phaser stage.

The Electro-Harmonix Small Stone EH4800 is a phase shifter pedal with four stages. It was initially created in 1974 by David Cockerell and uses operational transconductance amplifiers. The Small Stone EH4800 has a Rate knob and a Color switch for the addition of feedback.

The TC Electronic Blood Moon Phaser Pedal sends your sound on a journey through four stages of throwback filtering, coming out on the other side with enough authentic tone to make you howl. Constructed with a three-knob design for rate, depth, and feedback (which sends your signal back through the four-stage filter for even more daring effects), the Blood Moon traverses vast tracts of sonic territory from subtle phasing warmth to modulated assault. Part of the company's new Smorgasbord of Tone series, this pedal comes in a roughneck steel chassis compact enough to squeeze its way onto any board at a price set for working musicians.

Featuring a color switch, rate knob and status indicator, the Small Stone is an industry standard for its four-stage phase shifting. Legendary for its reliability and housed in the famous large metal boxes of the '80s and '90s, this pedal is a perfect choice for grunge, lo-fi, or stoner rock.

From classic Univibe to Van Halen-esque sweeps and all the customizable sounds in between, the Empress Phaser can give you the versatile phase sounds you've been looking for. Tons of accoutrements make the ambitious Phaser incredibly comprehensive, including a VCA-based design, different stage phasing modes, eight different wave forms, and controls for Blend, Width, Gain, Speed, and more. If you want a phaser that can give you famous phase sounds or let you build your own trem, wah, and ring mods, try out the Empress Phaser.

Vintage phaser from Japanese pedal producer Guyatone.

Similar to the classic MXR Phase 90, the Mooer Ninety Orange packs the same punch into an analog micro-pedal. Switch the Ninety Orange to Vintage Mode for the warm '74 phase tone of psychedelia, or Modern Mode for a contemporary phase sound that's thick and rich.

The EarthQuaker Devices Grand Orbiter V2 Phaser is an OTA-based phaser with two speed modes and an LFO-kill mode (position two) to make the pedal a resonant filter. Flip on the Vibrato mode, and the dry signal is removed. The original version of this pedal had a larger footprint and lacked the LFO-kill mode.

The DOD Phasor 201 recreates the vintage analog phase sound of its predecessor, also called the 201 but housed in a yellow chassis rather than blue. The new Phasor 201, however, comes with a variety of modern updates, such as a super lightweight body and modern 9v power supply input. But don't worry, the new DOD Phasor 201 still sports only one knob to dial in your depth and speed with supreme ease. The DOD Phasor 201 Reissue is a subtle, modern update to that original analog phaser sound.

Dead simple, great sounding boutique phaser from JAM Pedals.

The MXR '75 Vintage Phase 45 is a true analog phase shifter from MXR's Custom Shop, a reproduction of the rare little brother to the classic Phase 90. A hand-wired PCB stuffed with hand-matched FETs is at the heart of this "script logo" two stage phaser, a more subdued and musical version of the psychedelic phaser sound.

The Soul Vibe by BBE has won the Guitar World Platinum Award, and with good reason. The Soul Vibe is considered one of the most convincing simulators of an analog rotary sound, delivering authentic Leslie sounds. Simple Speed and Intensity controls make it easy to build delicious vibrato or rotary sounds. Choose between a warm, deep brown finish to match the warmth of its analog tones or a bright, funky graphic to add a little visual spice to your pedalboard.

The Helix Phaser by TC Electronic gives you swirling, vibrant phasing goodness allowing you to dial in the tones of your favorite artists, from Pink Floyd to Van Halen to Radiohead and back again. Use classic Speed, Depth, Feedback, and Mix controls to build your phase sweeps and bends, and choose from Vintage and Smooth modes for even more versatility. You can even beam in your favorite TonePrints!

One of the coveted "black label" pedals of the golden MIJ era, the Boss PH-2 Super Phaser is a compact powerhouse delivering twelve stages of phasing through vintage Boss circuitry. The effect can be further modified via two modes for standard and low-end phasing and controls for rate, depth, and resonance.

Built with the iconic, durable FX series chassis, eye-catching red sparkle finish and intuitive controls for speed, depth, rate, and intensity, the DOD Vibro Thang FX22 Vibrato is a blast from the '90s past. Built to incorporate both vibrato and rotary effects in one pedal, the FX22 vacillates from a large, roomy swish to a tight, intense buzz with a few knob adjustments. Perfect for those new to the effects world and pedal collectors alike, the Vibro Thang is an excellent piece of '90s effects culture.

The MXR Phase 100 Script pedal is a vintage phaser that set the standard for all following MXR phase pedals. Each of these pedals was crafted in the '70s, and they demonstrate tonal superiority over both the block text '70s versions and newer Phase 100 reissue models. The pedal comes with four intensity modes and a speed knob for simple but precise control over your phase.

Mu-tron (short for Musictronics) developed a series of highly innovative effects throughout the '70s, including the popular Mu-Tron III envelope filter. The Mu-tron Bi-Phase was a two channel Phase shifter with two "Sweep Generator" sections. This pedal was made with either a two-button or an optical pedal.The optical option is worth slightly more. 

Years of Production: ca. 1972 - 1981

The Pigtronix Envelope Phaser 2 offers a full suite of controls to provide for all of your phase shifting needs, with a unique sweep that can be controlled by Envelope, LFO, external pedal or any blend of those options. Add in controls for depth, speed, sensitivity and resonance, and you've got an incredibly versatile pedal that can pull off classic funk tones, emulate a subtle Uni-Vibe sound or push the envelope (pardon the pun) into bombastic new psychedelic territory. Built on 6 years of customer feedback from the original EP1, the EP2 sports improved tone and new features, like the Staccato mode for rapid playing, in a sturdier and smaller package.

The Roland AP-7 Jet Phaser provided both phase shifting effects as well as slight distortion. 

Years of Production: 1975 - 1978

The Keeley Phaser pedal is an OTA 6-stage phaser featuring a 100% analog signal path with Slow and Fast modes you can switch between via a Slow/Fast footswitch. This footswitch can be turned into a Tap Tempo footswitch with the Tap/Ramp switch.

Featuring the original iconic design and versatile phasing power which put the pedal on the map, the original MXR Phase 45 has spawned countless imitators, but remains one MXR's greatest achievements. Made famous by the likes of Eddie Van Halen, this effect's dual phasing stages and hand-wired board offer days of subtle voicing.

The Ibanez PH7 Phaser features controls for Speed, Feedback, Depth, and Level, as well as two different phaser modes for subtle or more dramatic phasing effects.

Featuring a true stereo output, onboard tap tempo time control and seven selectable phasing modes including two to ten-stage and boutique, the Digitech Hardwire SP-7 Stereo Phaser allows for a wide selection of boutique-quality effects all in one pedal. Constructed with the signature Hardwire chassis for years of consistent use, the SP-7 essentially provides seven phasing pedals in one with an attractive price to boot.

The Electro-Harmonix Small Stone Phase Shifter is a 4-stage phase shifter pedal first made in 1974 by David Cockerell with the legendary operational transconductance amplifiers (OTA). Along with a Rate knob, the Color switch is used to engage an additional stage of feedback for a more pronounced phase shifting effect.

Mr. Black is a boutique pedal manufacturer out of Portland, OR. The Gilamondo is an eight stage phase shifter with width and rate controls. 

The Boss PH-1 was the original phase shifter made in Japan by Boss, with a simple two-knob control. It was succeeded by the PH-1R with added resonance control. 

Years of Production: 1977 - 1981

Joyo is a China-based company that produces budget effects units and pro audio. 

Part of the company's One Series, the Source Audio Lunar Phaser packs serious phasing modulation along with some serious secret capabilities under the hood. The Lunar brings together three distinct phase flavors: Vibe for a pulsing Uni-Vibe tone, a lush Classic mode emulating 4-stage phasing, and the lively 8-stage Multi mode. The end result is a wide swath of phasing flavors covering decades of genres. What's more, this pedal sports the company's Neuro mobile app which allows you to download even more effects from an extensive online library for a litany of tones in a box.

The original Maestro PS-1A was a simple phase shifter with three set speeds.

Years of Production: 1976

The PM7 is the phase shifter of Ibanez's Tone Lok series. The pedal features three waveforms and three phasing modes, bot selectable via switch and controls for speed, depth and feedback.

The Ibanez PT9 Phaser brings quintessential '80s phasing tones through features like an all-analog design, three-knob control layout for speed, feedback and width, and the iconic Ibanez 9 series chassis. A short-lived phaser in the realm of the Ibanez pedals of the 1980s, the PT9 was known for having a softer character and attack than its contemporaries like the Phase 90, and thus is perfect for those interested in an accent of phase to their playing without having their tone overwhelmed.

The Electro-Harmonix Small Stone, originally released in the '70s, is a multi-stage phase shifter with an extra stage for feedback. Mix up your tone by flipping the Color switch, and change the speed at which your phaser modulates with the Rate knob. That's all there is to it - the controls have remained constant through the Small Stone's many iterations. This Russian-made version comes in black or green enclosures.

Released in 1974, the original MXR Phase 90 was one of the company's first pedals and helped solidify the brand as a staple on pedalboards worldwide. The first Phase 90s came with the coveted script logo, but MXR swapped it for the block logo in '77. Whether you're using it to get Van Halen's "tone in a box," or building out your own sound, the Phase 90 is one of the most popular phasers on the market for a reason.

The Maestro MP-1 was one of the first adjustable phase shifters on the market, powering classic tracks like "Nobody's Fault But Mine." The internals were crafted by Moog. 

Years of Production: 1976 -1978

Years of Production: 1979 - 1982

Years of Production: 1982 - 1985