---
product_id: 331135648
title: "Electro Harmonix OP Amp Big Muff"
brand: "electro-harmonix"
price: "A$234"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/331135648-electro-harmonix-op-amp-big-muff
store_origin: AU
region: Australia
---

# True Bypass Switching for pure tone 3 gain levels for versatile distortion 9V battery or AC adapter powered Electro Harmonix OP Amp Big Muff

**Brand:** electro-harmonix
**Price:** A$234
**Availability:** ✅ In Stock

## Summary

> 🎛️ Unlock legendary fuzz with modern precision—don’t just play, dominate your sound!

## Quick Answers

- **What is this?** Electro Harmonix OP Amp Big Muff by electro-harmonix
- **How much does it cost?** A$234 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/331135648-electro-harmonix-op-amp-big-muff)

## Best For

- electro-harmonix enthusiasts

## Why This Product

- Trusted electro-harmonix brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pure Signal Integrity:** True Bypass Switching ensures your tone stays uncolored when the pedal is off—no signal loss, ever.
- • **Flexible Power Options:** Run on a 9V battery or optional EHX9.6DC-200 AC adapter for uninterrupted performance.
- • **Precision Gain Control:** Three surgical amplifier gain levels deliver crisp crunch and bold distortion tailored to your style.
- • **Compact & Durable Design:** Sturdy metal body with portable dimensions (70 x 115 x 54 mm) built to withstand gigging demands.
- • **Iconic Vintage Tone Revived:** Recreate the legendary 70s OP-Amp Big Muff sound that shaped iconic albums like Siamese Dream.

## Overview

The Electro Harmonix OP Amp Big Muff pedal revives the classic late 70s fuzz tone using surgical amplifiers and three gain levels for versatile distortion. Featuring True Bypass Switching and a rugged metal chassis, it offers pure tone integrity and durability. Powered by a 9V battery or optional AC adapter, this compact pedal delivers the iconic sound favored by artists like Billy Corgan, making it a must-have for professional guitarists seeking vintage fuzz with modern reliability.

## Description

Electro Harmonix OP Amp Big Muff

## Features

- Distortion
- Effects
- Guitars
- We value a balanced combination of careful workmanship and selected materials.
- Our goal - Your satisfaction is our top priority and is our focus.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 310 g |
| Product Dimensions | 11.43 x 6.99 x 5.33 cm; 310 g |
| Batteries | 1 9V batteries required. |
| Item model number | OPAMPBM |
| Body Material | Metal |
| Color Name | Multicolored |
| Connector Type | 6.35mm Jack |
| Hardware Interface | 1/4-inch Audio |
| Signal Format | Analog |
| Material Type | Metal |
| Size | Einheitsgröße |
| Battery type | Alkaline |
| Power Source | Corded Electric |
| Voltage | 9 Volts |

## Product Details

- **Brand:** Electro-Harmonix
- **Style:** Classic
- **Colour:** Multicolored
- **Product dimensions:** 11.4L x 7W x 5.3H centimeters
- **Item weight:** 0.31 Kilograms

## Images

![Electro Harmonix OP Amp Big Muff - Image 1](https://m.media-amazon.com/images/I/71jVE9p2a5L.jpg)

## Frequently Bought Together

- Electro-Harmonix Op Amp Big Muff Pi Fuzz Pedal
- MXR Patch Cable 6 in|15 cm - 3 Pack (3PDCP06)

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**Shop now:** [https://www.desertcart.com.au/products/331135648-electro-harmonix-op-amp-big-muff](https://www.desertcart.com.au/products/331135648-electro-harmonix-op-amp-big-muff)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-22*