Harmonic Square

The Donner Harmonic Square is a versatile octave pedal, offering seven distinct effects modes and a three-way toggle switch for Sharp, Detune, and Flat options. This pedal allows you to fine-tune your sound with Dry and Wet knobs for precise control over your dry and harmonic signals. Housed in a durable aluminum-alloy enclosure, the Harmonic Square features an LED indicator and true bypass for a transparent tone, making it a great addition to any pedalboard.