Electro-Harmonix
Electro-Harmonix Big Muff Pi
$83Cheaper
Released 2001-05
Best Guitar Effects Pedals · head-to-head
Electro-Harmonix Big Muff Pi vs Walrus Audio Slö Multi Texture Reverb
A sourced, side-by-side comparison. Electro-Harmonix Big Muff Pi is cheaper at $83. Every spec and price links to its source.
Walrus Audio
Walrus Audio Slö Multi Texture Reverb
$219.99
Released 2019-04
Which is better: the Electro-Harmonix Big Muff Pi or Walrus Audio Slö Multi Texture Reverb?
On the specs we track, they're closely matched. The Electro-Harmonix Big Muff Pi is the cheaper at $83.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Electro-Harmonix Big Muff Pi | Walrus Audio Slö Multi Texture Reverb |
|---|---|---|
| US price | $83 | $219.99 |
| Brand | Electro-Harmonix | Walrus Audio |
| Released | 2001-05 | 2019-04 |
| Effect type | fuzz / distortion / sustainer | multi-texture reverb — 3 modes (Dark: lower-octave, Rise: ambient auto-swell, Dream: latching pad) x 3 modulation wave shapes (Sine/Warp/Sink) |
| True bypass | — | Yes |
| Power draw ma | 3 | 100 |
| Preset count | — | — |
| Stereo io | No | No |
| Tap tempo | — | — |
| Midi support | No | No |
| Expression input | No | — |
| Dimensions (in) | 5.5 x 6.9 x 3.0 | 4.77 x 2.6 x 1.39 |
Sources — Electro-Harmonix Big Muff Pi: thomannmusic.com (verified 2026-08-01). Walrus Audio Slö Multi Texture Reverb: thomannmusic.com (verified 2026-08-01).
What's the difference between the Electro-Harmonix Big Muff Pi and Walrus Audio Slö Multi Texture Reverb?
Where the two actually differ on the specs we track (3 of 9). Matching specs are omitted.
- Effect type: Electro-Harmonix Big Muff Pi fuzz / distortion / sustainer vs Walrus Audio Slö Multi Texture Reverb multi-texture reverb — 3 modes (Dark: lower-octave, Rise: ambient auto-swell, Dream: latching pad) x 3 modulation wave shapes (Sine/Warp/Sink)
- Power draw ma: Electro-Harmonix Big Muff Pi 3 vs Walrus Audio Slö Multi Texture Reverb 100
- Dimensions (in): Electro-Harmonix Big Muff Pi 5.5 x 6.9 x 3.0 vs Walrus Audio Slö Multi Texture Reverb 4.77 x 2.6 x 1.39