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Amazon.com: TC Electronic SUB 'N' UP OCTAVER : Musical Instruments
Amazon.com: Donner Octave Guitar Pedal, Harmonic Square Digital Octave Pedal Pitch Shifter 7 Shift Types 3 Tone Modes Sharp Detune Flat True Bypass : Musical Instruments
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Amazon.com: BOSS OC-3 Electronic Keyboard Pedal or Footswitch (OC3) : Musical Instruments
Amazon.com: MXR M288 Bass Octave Deluxe : Musical Instruments
Amazon.com: TC Electronic SUB 'N' UP MINI OCTAVER Compact Version of Hugely Popular Sub 'N' Up Octaver with Advanced Polyponic Octave Engine and TonePrint-Enabled Technology for Easy Custom Effects : Musical Instruments
Amazon.com: JOYO Voodoo Octave Fuzz & Octave Pedal with DC 9V Power Supply (800mA -1A) Adapter : Musical Instruments
Amazon.com: TC Electronic SUB 'N' UP OCTAVER : Musical Instruments
Amazon.com: Behringer Guitar Octave Effect Pedal, Silver Divider : Musical Instruments
Amazon.com: Other EQ Effects Pedal, 2.25 x 4.25 x 1.75 (Pure Octave) : Musical Instruments
Amazon.com: Dunlop Vintage Bass Octave Effect Pedal : Musical Instruments
Amazon.com: SONICAKE Octave Guitar Pedal Octave Pedal Guitar Effects Pedal Analog Classic Bass Octaver True Bypass : Musical Instruments
Amazon.com: JOYO Octave Effect Pedal R Series with MOD Effects and Independent Octave Adjusting for Electric Guitar (XVI R-13) : Musical Instruments
Amazon.com: MXR M288 Bass Octave Deluxe Pedal with 9V Power Supply and a Pair of Patch Cables : Musical Instruments
Amazon.com: Boss OC-5 Polyphonic Guitar/Bass Octave Pedal : Musical Instruments
Amazon.com: Mooer Audio TENDER OCTAVER PRO Guitar Effects Pedal : Musical Instruments
Amazon.com: TC Electronic NETHER OCTAVER Classic All-Analog Octave Pedal with 1 or 2 Octaves Below Original for Adding Warm Deep Bottom End : Musical Instruments
Amazon.com: Other EQ Effects Pedal, 2.25 x 4.25 x 1.75 (Pure Octave) : Musical Instruments
Amazon.com: Behringer ULTRA OCTAVER UO300 3-Mode Octaver Effects Pedal : Musical Instruments
