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Home Amplifiers & Effects Effects Effects Pedals Harmony & Octave Effects Pedals Used Harmony & Octave Effects Pedals

Used Harmony & Octave Effects Pedals

(566 Items)
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BOSS SY-1000 Guitar Synthesizer and Multi-Effects Processor
Open-Box BOSS SY-1000 Guitar Synthesizer and Multi-Effects Processor
0 of 5 stars
(1) Open Box:
$1,179.19
DigiTech Mosaic 12-String Guitar Effects Pedal
Open-Box DigiTech Mosaic 12-String Guitar Effects Pedal
4.0 of 5 stars (23)
(2) Open Box: from
$172.00
Pigtronix PWM Space Rip Analog Synthesizer Effects Pedal
Open-Box Pigtronix PWM Space Rip Analog Synthesizer Effects Pedal
4.0 of 5 stars (2)
(1) Open Box:
$157.52
BOSS SY-300 Guitar Synthesizer
Open-Box BOSS SY-300 Guitar Synthesizer
4.5 of 5 stars (20)
(1) Open Box:
$879.99
Electro-Harmonix C9 Organ Machine Guitar Effects Pedal
Open-Box Electro-Harmonix C9 Organ Machine Guitar Effects Pedal
4.0 of 5 stars (30)
(1) Open Box:
$228.36
Used DigiTech Whammy V Effect Pedal
Used DigiTech Whammy V Effect Pedal
Product Price  $299.99
$335.99
Excellent Condition
Used Eventide H9 DARK Effect Pedal
Used Eventide H9 DARK Effect Pedal
Product Price  $499.99
$534.99
Excellent Condition
Used Meris ENZO Effect Pedal
Used Meris ENZO Effect Pedal
Product Price  $149.99
$189.99
Excellent Condition
Used Black Country Customs The 85 Effect Pedal
Used Black Country Customs The 85 Effect Pedal
Product Price  $139.99
$219.99
Excellent Condition
Used MXR Double Down Effect Pedal
Used MXR Double Down Effect Pedal
Product Price  $149.99
$249.99
Excellent Condition
Used Electro-Harmonix Lizard King Effect Pedal
Used Electro-Harmonix Lizard King Effect Pedal
Product Price  $79.99
$91.99
Great Condition
Used MXR Blue Box Script Effect Pedal
Used MXR Blue Box Script Effect Pedal
Product Price  $359.99
$399.99
Great Condition
Used Eventide H9 DARK Effect Pedal
Used Eventide H9 DARK Effect Pedal
Product Price  $389.99
$499.99
Great Condition
Used Pigtronix Mothership Effect Pedal
Used Pigtronix Mothership Effect Pedal
Product Price  $252.99
$280.99
Great Condition
Used BOSS OC3 Super Octave Effect Pedal
Used BOSS OC3 Super Octave Effect Pedal
Product Price  $90.99
$98.99
Great Condition
Used Westminster chrysostom Effect Pedal
Used Westminster chrysostom Effect Pedal
Product Price  $99.99
$124.99
Great Condition
Used TWA great divide Effect Pedal
Used TWA great divide Effect Pedal
Product Price  $289.99
$319.99
Great Condition
Used LR Baggs VOICEPRINT ID Effect Pedal
Used LR Baggs VOICEPRINT ID Effect Pedal
Product Price  $319.99
$369.99
Great Condition
Used BOSS GR30 GUITAR SYNTHESIZER Effect Pedal
Used BOSS GR30 GUITAR SYNTHESIZER Effect Pedal
Product Price  $159.99
$199.99
Good Condition
Used Suncoast HD1 Effect Pedal
Used Suncoast HD1 Effect Pedal
Product Price  $149.99
$184.99
Good Condition
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Product Price  $399.99
$449.99
Good Condition
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Product Price  $399.99
$469.99
Good Condition
Used Pigtronix Mothership Effect Pedal
Used Pigtronix Mothership Effect Pedal
Product Price  $249.99
$299.99
Good Condition
Used Demonfx steel string supreme Effect Pedal
Used Demonfx steel string supreme Effect Pedal
Product Price  $179.99
$199.99
Good Condition
Used 2020s TC Electronic Quintessence Harmony Effect Pedal
Used 2020s TC Electronic Quintessence Harmony Effect Pedal
Product Price  $134.99
Excellent Condition
Used Electro-Harmonix PICO POG POLY OCTAVE GENERATOR Effect Pedal
Used Electro-Harmonix PICO POG POLY OCTAVE GENERATOR Effect...
Product Price  $189.99
Excellent Condition
Used BOSS VE22 Effect Pedal
Used BOSS VE22 Effect Pedal
Product Price  $349.99
Excellent Condition
Used Joyo Vocal Lab Effect Pedal
Used Joyo Vocal Lab Effect Pedal
Product Price  $91.99
Excellent Condition
Used 2020s BOSS OC-5 Octave Effect Pedal
Used 2020s BOSS OC-5 Octave Effect Pedal
Product Price  $129.99
Excellent Condition
Used Pigtronix Mothership 2 Effect Pedal
Used Pigtronix Mothership 2 Effect Pedal
Product Price  $99.99
Excellent Condition
Used Electro-Harmonix INTELLIGENT HARMONY MACHINE Effect Pedal
Used Electro-Harmonix INTELLIGENT HARMONY MACHINE Effect...
Product Price  $164.99
Excellent Condition
Used Electro-Harmonix Ravish Sitar Effect Pedal
Used Electro-Harmonix Ravish Sitar Effect Pedal
Product Price  $179.99
Excellent Condition
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Product Price  $109.99
Excellent Condition
Used Electro-Harmonix Pitch Fork Polyphonic Pitch Shifting Effect Pedal
Used Electro-Harmonix Pitch Fork Polyphonic Pitch Shifting...
Product Price  $135.99
Excellent Condition
Used BOSS OC5 Octave Effect Pedal
Used BOSS OC5 Octave Effect Pedal
Product Price  $115.99
Excellent Condition
Used BOSS VO-1 Vocoder Effect Pedal
Used BOSS VO-1 Vocoder Effect Pedal
Product Price  $174.99
Excellent Condition
Used BOSS SY-1 Effect Pedal
Used BOSS SY-1 Effect Pedal
Product Price  $149.99
Excellent Condition
Used Electro-Harmonix Pog2 Polyphonic Octave Generator Effect Pedal
Used Electro-Harmonix Pog2 Polyphonic Octave Generator...
Product Price  $269.99
Excellent Condition
Used 2026 EarthQuaker Devices EQDRAIN Rainbow Machine Polyphonic Pitch Mesmerizer Effect Pedal
Used 2026 EarthQuaker Devices EQDRAIN Rainbow Machine...
Product Price  $250.99
Excellent Condition
Used BOSS XS-100 Effect Pedal
Used BOSS XS-100 Effect Pedal
Product Price  $274.99
Excellent Condition
Used 2020s BOSS OC-5 Octave Effect Pedal
Used 2020s BOSS OC-5 Octave Effect Pedal
Product Price  $134.99
Excellent Condition
Used Behringer Octave Divider Effect Pedal
Used Behringer Octave Divider Effect Pedal
Product Price  $49.99
Excellent Condition
Used MXR M306 Poly Blue Octave Effect Pedal
Used MXR M306 Poly Blue Octave Effect Pedal
Product Price  $159.99
Excellent Condition
Used Electro-Harmonix SYNTH9 Synthesizer Effect Pedal
Used Electro-Harmonix SYNTH9 Synthesizer Effect Pedal
Product Price  $169.99
Excellent Condition
Used MXR HENDRIX OCTAVIO Effect Pedal
Used MXR HENDRIX OCTAVIO Effect Pedal
Product Price  $259.99
Excellent Condition
Used BOSS AC3 Acoustic Simulator Effect Pedal
Used BOSS AC3 Acoustic Simulator Effect Pedal
Product Price  $68.99
Excellent Condition
Used Electro-Harmonix Superego Synth Effect Pedal
Used Electro-Harmonix Superego Synth Effect Pedal
Product Price  $119.99
Excellent Condition
Used Joyo VOODOO OCTAVE Effect Pedal
Used Joyo VOODOO OCTAVE Effect Pedal
Product Price  $29.99
Excellent Condition
Used DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter Effect Pedal
Used DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter...
Product Price  $199.99
Excellent Condition
Used DigiTech HAMMER ON Effect Pedal
Used DigiTech HAMMER ON Effect Pedal
Product Price  $199.99
Excellent Condition
Used 2026 Tallon X Amplitude THE NOISE Effect Pedal
Used 2026 Tallon X Amplitude THE NOISE Effect Pedal
Product Price  $199.99
Excellent Condition
Used EarthQuaker Devices Arpanoid Polyphonic Pitch Arpeggiator Effect Pedal
Used EarthQuaker Devices Arpanoid Polyphonic Pitch...
Product Price  $149.99
Excellent Condition
Used BOSS OC5 Effect Pedal
Used BOSS OC5 Effect Pedal
Product Price  $129.99
Excellent Condition
Used Keeley California Girls Effect Pedal
Used Keeley California Girls Effect Pedal
Product Price  $199.99
Excellent Condition
Used MXR POLY BLUE OCTAVE Effect Pedal
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price  $159.99
Excellent Condition
Used EarthQuaker Devices Organizer Polyphonic Organ Emulator Effect Pedal
Used EarthQuaker Devices Organizer Polyphonic Organ...
Product Price  $99.99
Excellent Condition
Used TC Electronic Sub N Up Octaver Effect Pedal
Used TC Electronic Sub N Up Octaver Effect Pedal
Product Price  $82.99
Excellent Condition
Used Eventide H9O HARMONIZER Effect Pedal
Used Eventide H9O HARMONIZER Effect Pedal
Product Price  $759.99
Excellent Condition
Used BOSS SY-200 Effect Pedal
Used BOSS SY-200 Effect Pedal
Product Price  $284.99
Excellent Condition
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Product Price  $104.99
Excellent Condition