Electro-Harmonix - Deluxe Bass Big Muff Pi 2
The Deluxe Bass Big Muff Pi 2 takes the once lost dual op-amp Big Muff 2 design to the max with flexible tone shaping and pro upgrade features. The EHX “Deluxe Treatment” has been a favorite for players who believe that more is more. The Deluxe Bass Big Muff Pi 2 delivers on that philosophy with more earthshaking fuzz options than ever before.
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The Nantel Verdict
The Nantel Verdict
Dual op-amp circuit for enhanced harmonic complexity; three-band tone stack (Bass/Mid/Treble) for precise EQ sculpting; Volume and Sustain controls enabling wide fuzz character range; specifically voiced for bass frequencies to maintain low-end punch through heavy distortion
Requires standard 9V power supply (batteries drain quickly with fuzz pedals); pairs well with a tuner pedal to track pitch through saturation; footswitch design suits pedalboard integration; benefits from quality bass cable to preserve articulation in dense tones
A serious fuzz pedal that respects bass frequencies rather than burying them. The three-band EQ and dual op-amp design make it adaptable enough for studio work while retaining the aggression players want live. Worth the investment for committed fuzz explorers.
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Deluxe Bass Big Muff Pi 2
Deluxe Dual Op-Amp Bass Fuzz
“Deluxe Treatment” for bassists who believe that more is more!
The Deluxe Bass Big Muff Pi 2 takes the once lost dual op-amp Big Muff 2 design to the max with flexible tone shaping and pro upgrade features. The EHX “Deluxe Treatment” has been a favorite for players who believe that more is more. The Deluxe Bass Big Muff Pi 2 delivers on that philosophy with more earthshaking fuzz options than ever before.
The Deluxe Bass Big Muff Pi 2 features the signature midrange grind of the original with the flexible EQ and virtually endless sustain expected in any Big Muff. This Deluxe Bass version adds a BLEND knob, noise gate, and a powerful CROSSOVER section for a unique sound sculpting experience. BLEND allows you to perfectly balance your clean and dirty signals for gnarly fuzz tones with a solid fundamental in the low-end. The GATE kills unwanted fuzz for a tight and clean performance. The footswitchable CROSSOVER splits your signal in two and applies a high-pass filter to the signal feeding the fuzz circuit while a low-pass filter affects only the dry signal. The HPF and LPF knobs adjust the cutoff frequency of the high-pass and low-pass filters. This CROSSOVER effectively lets you create a tone with a clear, trebly fuzz tone and huge, clean bass on the bottom. VOLUME, TONE, and SUSTAIN control the overall output level, EQ, and distortion of the pedal respectively.
The Deluxe Bass Big Muff Pi 2 has an expanded I/O section useful for any studio or stage application. The INPUT selects between normal and -10dB attenuation at the input for easier use with high output pickups. The standard INPUT and OUTPUT jacks are joined by a DI OUTPUT and DIRECT OUT. DI OUTPUT is an XLR output for getting your effect output direct to a mixing console or recording equipment while the DIRECT OUT supplies a buffered, clean output of your original, uneffected bass signal.
The Deluxe Bass Big Muff Pi 2 features a true bypass footswitch with Latching/Momentary Action. Tap the footswitch for normal latching functionality or press and hold the footswitch for a momentary burst of fuzz mayhem!
- Unique Big Muff Pi circuit design employing 2 Dual Op-Amps
- Deluxe features optimized for extended low-end and tone shaping
- VOL, TONE, and SUSTAIN controls
- BLEND knob sets wet/dry mix
- CROSSOVER splits signal into two applying a high-pass filter and low-pass filter
- HPF controls high-pass filter of signal just before it hits the fuzz circuit
- LPF controls low-pass filter of clean signal
- Selectable Input Pad for -10dB attenuation for use with high output pickups
- DI OUTPUT – Low impendence XLR output of effected signal
- DIRECT OUT – Buffered output of clean, original signal
- Buffered Bypass
- Latching/Momentary footswitch action
- 6VDC/200mA power adapter included
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Circuit
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Analog
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Audio
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Mono
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Power Supply
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9.6VDC-200mA power adapter included
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Dimensions (in)
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5.75 x 4.75 x 2.5
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Current Draw
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45mA
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Year Released
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2026
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Electro-Harmonix has been a cornerstone of effects pedal design since 1968, renowned for pushing the boundaries of fuzz and distortion technology. The company's iconic Big Muff Pi has become the gold standard for fuzzy, thick tones across multiple instruments and genres.
EHX's "Deluxe" series represents the manufacturer's commitment to expanding classic designs with enhanced flexibility and professional-grade features, allowing players to explore deeper sonic possibilities while maintaining the unmistakable character that has defined the brand for decades.
