Why Shop With Us?

Free Shipping

Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).

Orders placed before 3 p.m. ET usually ship the same business day.

Learn More

2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details

We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us

Contact Us

Call Now
800-449-9128

Hablamos Español

866.226.2919

Let's Chat
Live Chat

Hours:

MON - FRI 6 AM – 7 PM PT

SAT 7 AM – 6 PM PT

SUN 8 AM – 5 PM PT

Track your order Returns FAQs Make a Card Payment
Empty Cart Icon

Your Cart Is Empty

Sign In < Continue Shopping
Why Shop With Us?
 Electric Guitar Month! Shop deals & special financing. Call 888-688-0208 or chat for more deals! Electric Guitar Month! Deals & special financing
RewardsBlogHelp

Contact Us

800-449-9128
Cart
Back
Shop by Category
Hot Deals

Help | Call or Chat

 Track your orderReturnsFAQsMake a card paymentWhy shop with us? RewardsBlogHelp
Home Amplifiers & Effects Effects Effects Pedals Harmony & Octave Effects Pedals Used Harmony & Octave Effects Pedals

Used Harmony & Octave Effects Pedals

(292 Items)
Clear All
DigiTech Whammy Ricochet Pitch-Shifter Guitar Effects Pedal
Open-Box DigiTech Whammy Ricochet Pitch-Shifter Guitar Effects Pedal
5.0 of 5 stars (1)
(1) Open Box:
$211.19
DigiTech HammerOn Pitch Octave Effects Pedal -
Open-Box DigiTech HammerOn Pitch Octave Effects Pedal -
0 of 5 stars
(1) Open Box:
$263.99
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-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:
$1,161.59
BOSS SY-300 Guitar Synthesizer
Open-Box BOSS SY-300 Guitar Synthesizer
4.5 of 5 stars (20)
(1) Open Box:
$871.19
Used DIAMOND PEDALS F-OCTAVE Effect Pedal
Used DIAMOND PEDALS F-OCTAVE Effect Pedal
Product Price  $144.99
$179.99
Excellent Condition
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Product Price  $349.99
$449.99
Excellent Condition
Used MXR Double Down Effect Pedal
Used MXR Double Down Effect Pedal
Product Price  $159.99
$249.99
Excellent Condition
Used Electro-Harmonix POG III Effect Pedal
Used Electro-Harmonix POG III Effect Pedal
Product Price  $449.99
$499.99
Great Condition
Used Meris enzo Effect Pedal
Used Meris enzo Effect Pedal
Product Price  $199.99
$224.99
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 KHDK Annihilator II Effect Pedal
Used KHDK Annihilator II Effect Pedal
Product Price  $359.99
$459.99
Great Condition
Used CopperSound Pedals LOMA PRIETA Effect Pedal
Used CopperSound Pedals LOMA PRIETA Effect Pedal
Product Price  $129.99
$149.99
Great Condition
Used Foxrox Electronix OCTRON Effect Pedal
Used Foxrox Electronix OCTRON Effect Pedal
Product Price  $179.99
$224.99
Good Condition
Used Pigtronix gloamer Effect Pedal
Used Pigtronix gloamer Effect Pedal
Product Price  $129.99
$149.99
Good Condition
Used Electro-Harmonix Lizard Queen Effect Pedal
Used Electro-Harmonix Lizard Queen Effect Pedal
Product Price  $54.99
$67.99
Good Condition
Used 1970s MXR Octave Blue Box Effect Pedal
Used 1970s MXR Octave Blue Box Effect Pedal
Product Price  $224.99
$399.99
Good Condition
Used Pigtronix SPACE RIP Effect Pedal
Used Pigtronix SPACE RIP Effect Pedal
Product Price  $99.99
$129.99
Good Condition
Used Pigtronix MGS Mothership Effect Pedal
Used Pigtronix MGS Mothership Effect Pedal
Product Price  $249.99
$299.99
Good Condition
Used Pigtronix Mothership Effect Pedal
Used Pigtronix Mothership Effect Pedal
Product Price  $179.99
$280.99
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 MXR M103 Octave Blue Box Effect Pedal
Used MXR M103 Octave Blue Box Effect Pedal
Product Price  $59.99
Excellent Condition
Used JHS Pedals Double Dragon Effect Pedal
Used JHS Pedals Double Dragon Effect Pedal
Product Price  $169.99
Excellent Condition
Used Fuzzrocious PLAYING MANTIS Effect Pedal
Used Fuzzrocious PLAYING MANTIS Effect Pedal
Product Price  $124.99
Excellent Condition
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Used Electro-Harmonix Guitar Mono Synth Effect Pedal
Product Price  $104.99
Excellent Condition
Used Electro-Harmonix POG III Effect Pedal
Used Electro-Harmonix POG III Effect Pedal
Product Price  $464.99
Excellent Condition
Used Henretta Engineering Purple Octopus Octave Up Effect Pedal
Used Henretta Engineering Purple Octopus Octave Up Effect...
Product Price  $94.99
Excellent Condition
Used MXR SF01 Slash Signature Octave Fuzz Effect Pedal
Used MXR SF01 Slash Signature Octave Fuzz Effect Pedal
Product Price  $99.99
Excellent Condition
Used BOSS OC5 Effect Pedal
Used BOSS OC5 Effect Pedal
Product Price  $124.99
Excellent Condition
Used EarthQuaker Devices Tentacle Effect Pedal
Used EarthQuaker Devices Tentacle Effect Pedal
Product Price  $84.99
Excellent Condition
Used BOSS OC5 OCTAVE Effect Pedal
Used BOSS OC5 OCTAVE Effect Pedal
Product Price  $119.99
Excellent Condition
Used Behringer Octave Divider Effect Pedal
Used Behringer Octave Divider Effect Pedal
Product Price  $54.99
Excellent Condition
Used EarthQuaker Devices Bit Commander Octave Synth Effect Pedal
Used EarthQuaker Devices Bit Commander Octave Synth Effect...
Product Price  $114.99
Excellent Condition
Used DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter Effect Pedal
Used DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter...
Product Price  $169.99
Excellent Condition
Used EarthQuaker Devices The Depths Optical Vibe Machine Effect Pedal
Used EarthQuaker Devices The Depths Optical Vibe Machine...
Product Price  $129.99
Excellent Condition
Used BOSS PS6 Harmonist Effect Pedal
Used BOSS PS6 Harmonist Effect Pedal
Product Price  $114.99
Excellent Condition
Used BOSS OC-5 Effect Pedal
Used BOSS OC-5 Effect Pedal
Product Price  $119.99
Excellent Condition
Used 2020s EarthQuaker Devices Rainbow Machine Polyphonic Pitch Mesmerizer Effect Pedal
Used 2020s EarthQuaker Devices Rainbow Machine Polyphonic...
Product Price  $154.99
Excellent Condition
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Used BOSS SY300 Guitar Synthesizer Effect Pedal
Product Price  $369.99
Excellent Condition
Used BOSS SY1 Effect Pedal
Used BOSS SY1 Effect Pedal
Product Price  $144.99
Excellent Condition
Used Electro-Harmonix LIZARD QUEEN Effect Pedal
Used Electro-Harmonix LIZARD QUEEN Effect Pedal
Product Price  $68.99
Excellent Condition
Used Electro-Harmonix INTELLIGENT HARMONY MACHINE Effect Pedal
Used Electro-Harmonix INTELLIGENT HARMONY MACHINE Effect...
Product Price  $149.99
Excellent Condition
Used Tomsline AHAR-3 Effect Pedal
Used Tomsline AHAR-3 Effect Pedal
Product Price  $54.99
Excellent Condition
Used Dead Air Studios GENERATOR 10 Effect Pedal
Used Dead Air Studios GENERATOR 10 Effect Pedal
Product Price  $159.99
Excellent Condition
Used T-Rex Engineering Octavius Octave Generator Effect Pedal
Used T-Rex Engineering Octavius Octave Generator Effect...
Product Price  $149.99
Excellent Condition
Used Electro-Harmonix Intelligent Harmony Machine Effect Pedal
Used Electro-Harmonix Intelligent Harmony Machine Effect...
Product Price  $159.99
Excellent Condition
Used BOSS SY-1 Effect Pedal
Used BOSS SY-1 Effect Pedal
Product Price  $144.99
Excellent Condition
Used Electro-Harmonix LIZARD QUEEN OCTAVE/DISTORTION Effect Pedal
Used Electro-Harmonix LIZARD QUEEN OCTAVE/DISTORTION Effect...
Product Price  $72.99
Excellent Condition
Used Electro-Harmonix PICO PITCH FORK Effect Pedal
Used Electro-Harmonix PICO PITCH FORK Effect Pedal
Product Price  $169.99
Excellent Condition
Used Rowin OCTPUS Effect Pedal
Used Rowin OCTPUS Effect Pedal
Product Price  $25.99
Excellent Condition
Used Electro-Harmonix Pitch Fork+ Polyphonic Pitch Shifting Effect Pedal
Used Electro-Harmonix Pitch Fork+ Polyphonic Pitch Shifting...
Product Price  $199.99
Excellent Condition
Used Roland GR-55 Effect Pedal
Used Roland GR-55 Effect Pedal
Product Price  $599.99
Excellent Condition
Used EarthQuaker Devices Sun Lifepedal V3 Effect Pedal
Used EarthQuaker Devices Sun Lifepedal V3 Effect Pedal
Product Price  $249.99
Excellent Condition
Used MXR M103 Octave Blue Box Effect Pedal
Used MXR M103 Octave Blue Box Effect Pedal
Product Price  $59.99
Excellent Condition
Used BOSS PS6 Harmonist Effect Pedal
Used BOSS PS6 Harmonist Effect Pedal
Product Price  $139.99
Excellent Condition
Used MXR Layers Effect Pedal
Used MXR Layers Effect Pedal
Product Price  $199.99
Excellent Condition
Used Electro-Harmonix Nano POG Polyphonic Octave Generator Effect Pedal
Used Electro-Harmonix Nano POG Polyphonic Octave Generator...
Product Price  $154.99
Excellent Condition
Used DOD OCTOPLUS Effect Pedal
Used DOD OCTOPLUS Effect Pedal
Product Price  $69.99
Excellent Condition
Used DigiTech Whammy V Effect Pedal
Used DigiTech Whammy V Effect Pedal
Product Price  $335.99
Excellent Condition
Used Celebrity Pedals sub zero octaver Effect Pedal
Used Celebrity Pedals sub zero octaver Effect Pedal
Product Price  $199.99
Excellent Condition