Chase Bliss Audio
Mood MKII
$399
Released 2023
Best Guitar Effects Pedals · head-to-head
Mood MKII vs Big Muff Pi
A sourced, side-by-side comparison. Big Muff Pi is cheaper at $83. Every spec and price links to its source.
Electro-Harmonix
Big Muff Pi
$83Cheaper
Released 2001-05
Which is better: the Mood MKII or Big Muff Pi?
On the specs we track, they're closely matched. The Big Muff Pi is the cheaper at $83.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
Sources — Mood MKII: chasebliss.com (verified 2026-08-01). Big Muff Pi: thomannmusic.com (verified 2026-08-01).
What's the difference between the Mood MKII and Big Muff Pi?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- 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 true vs Big Muff Pi false
- Midi support: Mood MKII true vs Big Muff Pi false
- Expression input: Mood MKII true vs Big Muff Pi false
- 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