23-inch strip format 8-loop switcher with MIDI input and four external relay switches.

Octave-down fuzz with sub-octave generator. Massive low-end rumble on demand.

Reverse octave delay with High/Low octave selection—near-infinite feedback for ambient pads without self-oscillation.

Budget octave pedal with -1, -2 octaves and +1 octave fuzz. Three separate voices with volume controls.

Analog sub-octave square wave fuzz with switchable one or two octaves down—8-bit Nintendo tones.

Four-mode monophonic analog octaver: 1st down, 2nd down, octave up, or clean bypass.

Filtremulator combining fuzz, filter, sub-octave, and tremolo with five presets and expression input.

Polyphonic octave-down fuzz with digital pitch shifting and modulated filter. Synth tones from guitar.

Highly modified superfuzz circuit with extended gain range, voltage starve, octave switching, and tone-blast for sounds from overdrive to blistering octavia.

Polyphonic pitch-transposer with octave up, octave down, and subtle vibrato to warm the tone.

Compact analog octave box with sub-octave and upper-octave voices, plus tone shaping for synth-like textures.

Analog octave fuzz capturing vintage Octavia tones with modern reliability, handmade in Germany.

Dual-channel fuzz and octave based on Jordan Boss Tone circuit with silicon transistors.

Auto-modulated CMOS fuzz with frequency dividers producing sub-octave, bit crush, and ring mod chaos.

Ambient box with shimmer reverb, dynamic tremolo, and tape-style modulated delay.

Fuzz with octave-up, Hendrix Ring Mod style screaming lead tones.

Polyphonic octave with sixteen-bit processing. Generates octave voices with independent blend controls.

Octave-up fuzz inspired by the Standard Fuzz and Super Fuzz circuits with dual switchable voices.

Super Fuzz variant with Space Echo preamp. Six-knob tone sculpting, notch filter, optional octave.

Frequency divider fuzz that transforms high pitches into powerful sub-octave tones.

Input-sensitive subharmonic fuzz generating one or two octaves down based on playing dynamics.

70s velvet-style octave fuzz with Level, Sustain, Tone, and switchable octave-up controls.

Bass octave and interval pedal — independent octave-down plus switchable 5th up, octave up, or double octave down. Expression input.

Analog octave-up based on the classic Green Ringer circuit with ring mod-like textures.