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Amazon.com: JIM DUNLOP MXR Blue Box™ Octave Fuzz : 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
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Amazon.com: BOSS OC-3 Electronic Keyboard Pedal or Footswitch (OC3) : Musical Instruments
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Amazon.com: MXR M306 POLY BLUE OCTAVE - EA : Musical Instruments
Amazon.com: SONICAKE Octave Guitar Pedal Octave Pedal Guitar Effects Pedal Analog Classic Bass Octaver True Bypass : Musical Instruments
Amazon.com: MXR M288 Bass Octave Deluxe Pedal with 9V Power Supply and a Pair of Patch Cables : 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: Other EQ Effects Pedal, 2.25 x 4.25 x 1.75 (Pure Octave) : Musical Instruments
Amazon.com: MXR M306 POLY BLUE OCTAVE - EA : Musical Instruments
Amazon.com: JOYO JF-12 Voodoo Octave Fuzz Guitar Effect Pedal - True Bypass, DC 9V and Battery Supported : Musical Instruments
Amazon.com: EBS Sweden AB EBS-Pedal SE-OC Bass Octave Effect Pedal : Musical Instruments
Amazon.com: MXR Sub Octave Bass Fuzz Guitar Effects Pedal : Musical Instruments
Amazon.com: JOYO Octave Fuzz Pedal Germanium Fuzz 60's Rock Effect with "Mid-cut" for Electric Guitar - True Bypass (Voodoo Fuzz JF-12) : Musical Instruments
