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
Amazon.com: TC Electronic SUB 'N' UP OCTAVER : Musical Instruments
Amazon.com: UpBright 9V AC/DC Adapter Compatible with Boss OC-20G Poly Octave RE-20 Space Echo SL-20 Slicer VB-2 Vibrato AW-2 AW-3 Dynamic Wah Pedal SA10-0910 B SA10-0910B DC9V 100mA 9VDC 1A Power Supply
Amazon.com: Accessory USA AC Adapter for Boss Octaver OC-2 Super Octave OC-3 & Harmonist PS-6 Power Supply : Electronics
Amazon.com: BOSS Oc-5 Octave Guitar And Bass Effect Pedal with Vintage And Poly Modes Plus 5-Year Warranty : Musical Instruments
Amazon.com: AC Adapter Charger for Boss OC-3 Super Octave Pedal Charger Power Cord PSU Mains : Musical Instruments
Amazon.com: SLLEA AC/DC Adapter for Boss Octaver OC-2, Super Octave OC-3, Harmonist PS-6 Power Supply Cord Cable PS Charger Mains PSU : Electronics
Amazon.com: ABLEGRID AC/DC Adapter for Boss Octaver OC-2, Super Octave OC-3, Harmonist PS-6 Power Supply Cord Cable PS Charger Mains PSU : Electronics
Amazon.com: BOSS OC-3 Electronic Keyboard Pedal or Footswitch (OC3) : Musical Instruments