{ "siteName" : "/mf", "mobileAppSrcCode" : "DIRECTSOURCECODE2", "segmentCookie" : "", "mobileAppItunesBanner" : "true", "enableClarip": true, "claripConsentJSUrl": "https://cdn.clarip.com/gci/clarip_consent.js", "claripDomain": "https://gci.clarip.com/", "sourceCodeId" : "61001562", "sourceName" : "DIRECTSOURCECODE2", "sourceSegment" : "direct", "profileZipcode" : "", "jsonLdEnabled" : "true", "profileStoreId" : "", "onlineOnlyLessons" : "", "defaultLessonsStoreId" : "", "profileStoreName" : "", "contextPath" : "", "imageResizeEnabled" : "false", "unicaEnv" : "site-devint", "staticContentUrl" : "https://static.musiciansfriend.com", "styleStaticContentUrl" : "https://static.musiciansfriend.com", "catalogAssetStaticContentUrl" : "https://static.musiciansfriend.com", "scene7StaticContentUrl" : "https://media.musiciansfriend.com/is/image/", "scene7BasePath" : "MMGS7/", "staticVersion" : "2026.05.26.MFAlgolia.dev.atg.a&cb=4", "versionParam" : "?vId=2026.05.26.MFAlgolia.dev.atg.a&cb=4", "customerService" : "800-449-9128", "profileID" : "13710979726", "contentKey": "site1HBA-electro-harmonix--open-box", "isInternational": "false", "isWarrantyShippable": "true", "isInternationalCommerceEnabled": "false", "currencySymbol": "$", "profileCountryCode": "US", "profileCurrencyCode": "USD", "audioEyeEnabled" : "true", "applePayEnabled":"false", "oLOnExitNumber": "0", "liveChat" : "false", "cookieLoggedIn" : false, "richRelevanceMode":"render", "richRelevanceApiKey":"46baeda9936d6a41", "richRelevanceUserId":"", "richRelevanceSessionId":"e43f2e113df0bbfde55aa7696766dd20", "rrBaseUrl":"//recs.richrelevance.com/rrserver/", "rrChannelId":"-", "hashedUserIdForCriteo":"", "rrTimeout":"10000", "isEducatorAccount": "false", "sessionIsDC": "false", "fullyLoggedIn" : false, "welcomeMat" : "false", "powerReviewsUrl" : "//static.musiciansfriend.com/", "deviceType" : "d", "prodEnvEnabled" : false, "isMobile":"false", "rrLoadAtgRecs":"false", "janrainAppDomain":"https://login.musiciansfriend.com", "janrainAppId":"fpcfgdnipomgblmndfod", "janrainAppName":"login.musiciansfriend.com", "endecaCookieSortEnabled":"false", "enableInstoreOnlyAddToCart":"false", "JSESSIONID":"uM4p9SoQ6nDQtqP1I28aJoejdzdd9Dq_OrU-2-gg.mfbotc01", "isHum" : "false", "showEloyalty": "true" , "loyaltyName":"rewards", "showLoyalty":"true", "loyaltyUser":"", "loyaltyPoints":"", "showCheckoutLoyalty":"true" , "fortivaCardName":"Choice Card" }

Home Electro-Harmonix Amplifiers & Effects Effects Effects Pedals Open Box Effects Pedals

Open Box Electro-Harmonix Effects Pedals

(14 Items)

Electro-Harmonix Op-Amp Big Muff Pi Fuzz Guitar Effects Pedal -

Open-Box Electro-Harmonix Op-Amp Big Muff Pi Fuzz Guitar Effects...

(12)

$84.66

Electro-Harmonix Deluxe Bass Big Muff Pi Distortion Effects Pedal

Open-Box Electro-Harmonix Deluxe Bass Big Muff Pi Distortion Effects...

(22)

$132.53

Electro-Harmonix Lester K Stereo Rotary Speaker Pedal

Open-Box Electro-Harmonix Lester K Stereo Rotary Speaker Pedal

(7)

$191.58

Electro-Harmonix Dual Output Expression Pedal

Open-Box Electro-Harmonix Dual Output Expression Pedal

(1)

$79.82

Electro-Harmonix XO Stereo Electric Mistress Flanger/Chorus Guitar Effects Pedal

Open-Box Electro-Harmonix XO Stereo Electric Mistress Flanger/Chorus...

(26)

$132.53

Electro-Harmonix Spruce Goose Overdrive Effects Pedal

Open-Box Electro-Harmonix Spruce Goose Overdrive Effects Pedal

$113.52

Electro-Harmonix Andy Summers Walking on the Moon Flanger/Filter Matrix Effects Pedal

Open-Box Electro-Harmonix Andy Summers Walking on the Moon...

$113.52

Electro-Harmonix Intelligent Harmony Machine Effects Pedal -

Open-Box Electro-Harmonix Intelligent Harmony Machine Effects Pedal...

$212.52

Electro-Harmonix MOD REX Polyrhythmic Modulator Effects Pedal

Open-Box Electro-Harmonix MOD REX Polyrhythmic Modulator Effects...

$249.74

Electro-Harmonix Blurst Modulated Filter Pedal

Open-Box Electro-Harmonix Blurst Modulated Filter Pedal

$137.28

Electro-Harmonix C9 Organ Machine Guitar Effects Pedal

Open-Box Electro-Harmonix C9 Organ Machine Guitar Effects Pedal

(30)

$228.36

Electro-Harmonix XO Big Muff Pi With Tone Wicker Distortion Guitar Effects Pedal

Open-Box Electro-Harmonix XO Big Muff Pi With Tone Wicker Distortion...

(33)

$95.83

Electro-Harmonix 45000 Foot Controller

Open-Box Electro-Harmonix 45000 Foot Controller

(1)

$103.75

Electro-Harmonix Attack Decay Effects Pedal

Open-Box Electro-Harmonix Attack Decay Effects Pedal

(1)

$137.28