Modulation · Funk

Best Modulation Pedals for Funk Guitar (2026)

Funk guitar modulation is primarily about phase — the MXR Phase 90 at moderate Speed is one of the most iconic funk guitar sounds. Chorus and envelope filter (auto-wah) are also common in funk contexts. The unifying characteristic is a modulation that adds rhythmic movement to clean chord playing without washing out the percussive, syncopated character of funk rhythm guitar.

#1 MXR Phase 95#2 MXR M83 Bass Chorus Deluxe#3 Boss TR-2 Tremolo#4 Boss CE-2W Chorus#5 MXR Phase 90
#1

MXR Phase 95

MXR · Modulation

The MXR Phase 95 contains both the Phase 45 and Phase 90 circuits — the Phase 90 at moderate Speed is the definitive funk phaser, while the Phase 45 provides a warmer, more subtle alternative. The Script/Block toggle selects vintage or modern circuit character. For funk players who want both the classic Phase 90 character and the softer Phase 45 option, the Phase 95 is the most complete MXR phaser.

Funk settings on this unit:

Speed6

Phase 90 at higher Speed — the fast phaser sweep used in funk and R&B rhythm guitar. At Speed 6 the phase sweep is rhythmically prominent and adds movement to clean chord playing. Used extensively in 1970s funk and disco production.

Strengths

  • Phase 90 mode is the industry-standard funk phaser — most important single effect in funk guitar
  • Phase 45 mode provides a subtler, warmer alternative for less obvious modulation
  • Script toggle selects vintage character — the specific Phase 90 script-logo sound that appeared on 70s funk recordings

Worth knowing

Single Speed knob only — no Depth or Resonance control. The simplicity is a feature for most players, but those who want more parameter control should look at the MXR Phase 100 (four-stage with more adjustment).

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#2

MXR M83 Bass Chorus Deluxe

MXR · Modulation

The MXR M83 Bass Chorus Deluxe's crossover network applies chorus only to mid and high frequencies while passing the bass through clean — this produces a more articulate, less washy chorus that suits funk rhythm guitar more than standard full-range chorus. The bass clarity through the crossover keeps the low-end punch of funk chord stabs intact.

Funk settings on this unit:

Bass XO1
Rate4
Width5
Intensity4

The crossover keeps low-string rhythm chunk unaffected while adding gentle upper-register movement, useful for funk rhythm parts that need width without softening the percussive low-end attack.

Strengths

  • Crossover prevents chorus from muddying the low end — maintains the punch of funk chord stabs
  • Standard chorus mode also available for players who want full-range chorus
  • Compact enclosure fits any pedalboard

Worth knowing

A chorus pedal is not the first modulation recommendation for funk — phase (MXR Phase 95) is more important. The M83 is the right chorus for funk once you have the phaser covered.

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#3

Boss TR-2 Tremolo

Boss · Modulation

Tremolo is underused in funk but historically significant — early funk (James Brown era, late 60s) used tremolo more commonly than later disco-funk. The Boss TR-2 at fast Rate and square Wave produces the rhythmically choppy stutter tremolo that suits the most percussive funk rhythm approaches. More rhythmically active than phaser but appropriate for specific funk contexts.

Strengths

  • Square Wave mode produces choppy, rhythmically precise stutter suitable for percussive funk
  • Fast Rate at high Depth produces the rapid volume chopping that adds rhythmic intensity
  • Variable Wave shape covers smooth-to-choppy — adapts to different funk textures

Worth knowing

Tremolo is less common in funk than phaser or auto-wah. Useful as a secondary modulation option but not the starting point for building a funk guitar tone.

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#4

Boss CE-2W Chorus

Boss · Modulation

For 1980s-influenced funk and R&B — the era of Nile Rodgers' CHIC, Prince's cleaner funk approach, and Cameo — chorus became an important modulation element alongside phaser. The Boss CE-2W's analog BBD chorus in CE-2 mode produces the warm, musical chorus character that defines 80s funk guitar tones without the over-the-top "new wave" character of excessively rate-heavy chorus.

Strengths

  • CE-2 analog BBD chorus is warmer and more musical than digital chorus — appropriate for 80s funk
  • CE-1 mode provides an even warmer, lusher chorus for more ambient funk contexts
  • True analog circuit — the warmth that 80s funk guitar recording actually had

Worth knowing

Chorus is a secondary funk consideration — phaser and wah are more genre-defining. The CE-2W belongs on a funk board after the Phase 95 and wah pedal are covered.

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#5

MXR Phase 90

MXR · Modulation

The standard MXR Phase 90 Block (current production) is the most affordable, most straightforward entry into funk phasing. Single Speed control, compact enclosure, and the standard Phase 90 algorithm that has been used in funk since the 1970s. For players who need one excellent phaser for funk without the Phase 95's Phase 45 dual-circuit, the original Phase 90 is the most direct choice.

Funk settings on this unit:

Speed7

Faster sweep for the funky phased rhythm guitar sound. Works well on single-coil pickups with a clean amp.

Strengths

  • The original funk phaser — the Phase 90 circuit has been unchanged in character since 1974
  • Single-knob simplicity — Speed is the only control needed for funk phasing
  • Most affordable MXR phaser — maximum value for the core funk modulation tool

Worth knowing

Block logo (current production) has a slightly more aggressive character than Script logo. For the specific vintage character of 70s funk recordings, Source Audio offers replica circuits and the JHS Phase Shifter is worth comparing.

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What to Look for in a Funk Modulation

A phaser is the most important funk modulation pedal — start there. The MXR Phase 90 at Speed 4–6 is the standard. For envelope filter (auto-wah) effects, the Electro-Harmonix Q-Tron is the reference. Chorus in funk is used subtly — the 1980s was the heavier chorus funk era; earlier funk relied more on phaser and wah.

FAQ

Funk Modulation — Common Questions

Phaser — specifically the MXR Phase 90. It appears on more funk guitar recordings than any other modulation pedal. At Speed 4–6 it produces the slow, sweeping modulation that adds movement to clean chord playing without dominating the rhythm.