# Mood MKII vs Big Muff Pi: specs and price compared

A sourced, side-by-side comparison of the Mood MKII (Chase Bliss Audio) and Big Muff Pi (Electro-Harmonix) among guitar effects pedals. Big Muff Pi is the cheaper of the two at $83.

## Side by side

| Spec | Mood MKII | Big Muff Pi |
| --- | --- | --- |
| US price | $399 | $83 |
| Brand | Chase Bliss Audio | Electro-Harmonix |
| Released | 2023 | 2001-05 |
| Effect type | dual-channel multi-effect — micro-looper (co-developed with Drolo FX) feeding real-time spatial/reverb/delay/pitch effects (co-developed with Old Blood Noise Endeavors) | fuzz / distortion / sustainer |
| True bypass | Yes | — |
| Power draw ma | 270 | 3 |
| Preset count | 2 onboard, up to 122 addressable via MIDI | — |
| Stereo io | Yes | No |
| Tap tempo | Yes | — |
| Midi support | Yes | No |
| Expression input | Yes | No |
| Dimensions (in) | 2.7 x 4.9 (width x height; depth not published) | 5.5 x 6.9 x 3.0 |

## Key differences

- Effect type: Mood MKII dual-channel multi-effect — micro-looper (co-developed with Drolo FX) feeding real-time spatial/reverb/delay/pitch effects (co-developed with Old Blood Noise Endeavors) vs Big Muff Pi fuzz / distortion / sustainer
- Power draw ma: Mood MKII 270 vs Big Muff Pi 3
- Stereo io: Mood MKII Yes vs Big Muff Pi No
- Midi support: Mood MKII Yes vs Big Muff Pi No
- Expression input: Mood MKII Yes vs Big Muff Pi No
- Dimensions (in): Mood MKII 2.7 x 4.9 (width x height; depth not published) vs Big Muff Pi 5.5 x 6.9 x 3.0

## Sources

- Mood MKII: https://www.chasebliss.com/mood-mkii/ (chasebliss.com, verified 2026-08-01)
- Big Muff Pi: https://www.thomannmusic.com/electro_harmonix_bigmuff_pi.htm (thomannmusic.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/guitar-effects-pedals/chase-bliss-mood-mkii-vs-electro-harmonix-big-muff-pi/
Cite: Per The Front Desk Review, Mood MKII ($399) vs Big Muff Pi ($83) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/guitar-effects-pedals/chase-bliss-mood-mkii-vs-electro-harmonix-big-muff-pi/
License: CC BY 4.0.