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MXR Vintage Bass Octaver G1 Bass Guitar Effect
Best Octave Pedals [5 Picks Recommended By Experts] | GuitarSquid
Amazon.com: Vivlex Octave Guitar Effects Pedal Polyphonic Octave Generator Digital Octaver Mini Stompbox with True Bypass Footswitch for Electric Guitar and Bass LEF-3806
17 Best Octave Pedals in 2023 (All Price Ranges) | Guitar Lobby
Amazon.com: MOOER Tender Octaver Pro, Stereo Octave Pedal with Adjustable between unison and +1/-1 octave Make Your Harmonization, Pitch Shifting, Whammy and Detune Chorus Effects : Musical Instruments