This season, gift now & pay later with 
Get Details
MXR Harmony & Octave Effects Pedals
(23 Items)
SkuInfo [skuId=site1sku151107000000000, productId=site1prod151107, linkUrl=/amplifiers-effects/mxr-m-103-blue-box, imageId=M-103-Blue-Box/151107000000000, displayName=MXR M-103 Blue Box, description=Take your guitar signal, fuzz it up a little, then duplicate it 2 octaves down - that's Blue Box. With a blend..., brandName=MXR, totalReviews=35, overallRating=8, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=99.99, highPrice=99.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=42.85, maxSavingPercent=30, maxSavingMSRP=142.84, externalInfo={}, productSeoUrl=/amplifiers-effects/mxr-m-103-blue-box, productVisibilityMSRP =1, storeName=null, storeId=null]
MXR M-103 Blue Box
Product Price
$99.99
SkuInfo [skuId=site1skuL91588000001000, productId=site1prodL91588, linkUrl=/amplifiers-effects/mxr-m306-poly-blue-octave-effects-pedal, imageId=M306-Poly-Blue-Octave-Effects-Pedal-Blue/L91588000001000, displayName=MXR M306 Poly Blue Octave Effects Pedal, description=null, brandName=MXR, totalReviews=4, overallRating=10, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=219.99, highPrice=219.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=94.27998, maxSavingPercent=30, maxSavingMSRP=314.27, externalInfo={}, productSeoUrl=/amplifiers-effects/mxr-m306-poly-blue-octave-effects-pedal, productVisibilityMSRP =1, storeName=null, storeId=null]
MXR M306 Poly Blue Octave Effects Pedal
Product Price
$219.99
SkuInfo [skuId=site1sku120506563, productId=site1prod120506563, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120506563, imageId=POLY-BLUE-OCTAVE-Effect-Pedal/000000120506563, displayName=MXR POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120506563, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price
$149.99
Excellent Condition
SkuInfo [skuId=site1sku120174728, productId=site1prod120174728, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120174728, imageId=POLY-BLUE-OCTAVE-Effect-Pedal/000000120174728, displayName=MXR POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=154.99, highPrice=154.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120174728, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price
$154.99
Excellent Condition
SkuInfo [skuId=site1sku119851766, productId=site1prod119851766, linkUrl=/amplifiers-effects/used-mxr-double-down-effect-pedal/119851766, imageId=Double-Down-Effect-Pedal/000000119851766, displayName=MXR Double Down Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=249.99, highPrice=249.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/amplifiers-effects/used-mxr-double-down-effect-pedal, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Double Down Effect Pedal
Product Price
$249.99
Excellent Condition
SkuInfo [skuId=site1sku120511127, productId=site1prod120511127, linkUrl=/amplifiers-effects/used-mxr-m103-octave-blue-box-effect-pedal/120511127, imageId=M103-Octave-Blue-Box-Effect-Pedal/000000120511127, displayName=MXR M103 Octave Blue Box Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=59.99, highPrice=59.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120511127, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR M103 Octave Blue Box Effect Pedal
Product Price
$59.99
Great Condition
SkuInfo [skuId=site1sku120495093, productId=site1prod120495093, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120495093, imageId=Poly-Blue-Octave-Effect-Pedal/000000120495093, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120495093, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120478698, productId=site1prod120478698, linkUrl=/amplifiers-effects/used-mxr-m306-poly-blue-octave-effect-pedal/120478698, imageId=M306-Poly-Blue-Octave-Effect-Pedal/000000120478698, displayName=MXR M306 Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=139.99, highPrice=139.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120478698, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR M306 Poly Blue Octave Effect Pedal
Product Price
$139.99
Great Condition
SkuInfo [skuId=site1sku120485435, productId=site1prod120485435, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120485435, imageId=POLY-BLUE-OCTAVE-Effect-Pedal/000000120485435, displayName=MXR POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120485435, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120482476, productId=site1prod120482476, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120482476, imageId=Poly-Blue-Octave-Effect-Pedal/000000120482476, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=144.99, highPrice=144.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120482476, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$144.99
Great Condition
SkuInfo [skuId=site1sku120396500, productId=site1prod120396500, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120396500, imageId=Poly-Blue-Octave-Effect-Pedal/000000120396500, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120396500, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120403308, productId=site1prod120403308, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120403308, imageId=Poly-Blue-Octave-Effect-Pedal/000000120403308, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120403308, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120414509, productId=site1prod120414509, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120414509, imageId=Poly-Blue-Octave-Effect-Pedal/000000120414509, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120414509, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120337910, productId=site1prod120337910, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120337910, imageId=POLY-BLUE-OCTAVE-Effect-Pedal/000000120337910, displayName=MXR POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120337910, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price
$149.99
Great Condition
SkuInfo [skuId=site1sku120504997, productId=site1prod120504997, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120504997, imageId=Poly-Blue-Octave-Effect-Pedal/000000120504997, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120504997, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$149.99
Good Condition
SkuInfo [skuId=site1sku120499242, productId=site1prod120499242, linkUrl=/amplifiers-effects/used-mxr-octavio-effect-pedal/120499242, imageId=OCTAVIO-Effect-Pedal/000000120499242, displayName=MXR OCTAVIO Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=94.99, highPrice=94.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120499242, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR OCTAVIO Effect Pedal
Product Price
$94.99
Good Condition
SkuInfo [skuId=site1sku120388626, productId=site1prod120388626, linkUrl=/amplifiers-effects/used-mxr-sub-machine-effect-pedal/120388626, imageId=Sub-Machine-Effect-Pedal/000000120388626, displayName=MXR Sub Machine Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=109.99, highPrice=109.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120388626, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Sub Machine Effect Pedal
Product Price
$109.99
Good Condition
SkuInfo [skuId=site1sku120390843, productId=site1prod120390843, linkUrl=/amplifiers-effects/used-mxr-m306-poly-blue-octave-effect-pedal/120390843, imageId=M306-POLY-BLUE-OCTAVE-Effect-Pedal/000000120390843, displayName=MXR M306 POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=154.99, highPrice=154.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120390843, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR M306 POLY BLUE OCTAVE Effect Pedal
Product Price
$154.99
Good Condition
SkuInfo [skuId=site1sku120308203, productId=site1prod120308203, linkUrl=/amplifiers-effects/used-mxr-poly-blue-effect-pedal/120308203, imageId=Poly-Blue-Effect-Pedal/000000120308203, displayName=MXR Poly Blue Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=149.99, highPrice=149.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120308203, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Effect Pedal
Product Price
$149.99
Good Condition
SkuInfo [skuId=site1sku120232587, productId=site1prod120232587, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120232587, imageId=POLY-BLUE-OCTAVE-Effect-Pedal/000000120232587, displayName=MXR POLY BLUE OCTAVE Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=139.99, highPrice=139.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120232587, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR POLY BLUE OCTAVE Effect Pedal
Product Price
$139.99
Good Condition
SkuInfo [skuId=site1sku120147700, productId=site1prod120147700, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120147700, imageId=Poly-Blue-Octave-Effect-Pedal/000000120147700, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=169.99, highPrice=169.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120147700, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$169.99
Good Condition
SkuInfo [skuId=site1sku120167175, productId=site1prod120167175, linkUrl=/amplifiers-effects/used-mxr-poly-blue-octave-effect-pedal/120167175, imageId=Poly-Blue-Octave-Effect-Pedal/000000120167175, displayName=MXR Poly Blue Octave Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=159.99, highPrice=159.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/pdp/productDetail.jsp?productId=site1prod120167175, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR Poly Blue Octave Effect Pedal
Product Price
$159.99
Good Condition
SkuInfo [skuId=site1sku119939963, productId=site1prod119939963, linkUrl=/amplifiers-effects/used-mxr-m287-effect-pedal/119939963, imageId=M287-Effect-Pedal/000000119939963, displayName=MXR M287 Effect Pedal, description=null, brandName=MXR, totalReviews=null, overallRating=null, priceVisibility=1, graphicalSticker=null, allUsed=false, onsale=false, lowPrice=159.99, highPrice=159.99, startingRestockPrice=null, restockItemCount=0, startingUsedPrice=null, usedItemCount=0, restockLinkURL=null, maxSaving=null, maxSavingPercent=null, maxSavingMSRP=null, externalInfo={}, productSeoUrl=/amplifiers-effects/used-mxr-m287-effect-pedal, productVisibilityMSRP =null, storeName=null, storeId=null]
Used MXR M287 Effect Pedal
Product Price
$159.99
Good Condition