The NEEWER Octpus delivers rich, layered octave tones with simple, intuitive control. Use the OCT1 and OCT2 knobs to dial in lower and higher octaves, while the DRY control blends in your original signal for perfectly balanced depth. With selectable TOP, BOTH, and BOTTOM modes — plus Normal and Fixed operation for saving a custom setup — this compact pedal brings powerful octave shaping to your board. True bypass circuitry ensures a clean, transparent tone for guitar or bass.