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🎸 Elevate your tone with the MXR Poly Blue Octave — where classic grit meets futuristic pitch wizardry!
The MXR Poly Blue Octave (M306) is a high-performance analog octave pedal combining four separate octave divisions with independent level controls, polyphonic and monophonic pitch shifting modes, and a thick fuzz inspired by the legendary MXR Blue Box. Featuring dual-mode modulation and real-time expression pedal or tap switch control, it offers unparalleled tonal versatility in a rugged, true bypass design. Perfect for professional musicians seeking to expand their sonic palette with vintage character and modern innovation.















| ASIN | B09K42XW21 |
| Amperage | 9 Milliamps |
| Audio Output Effects | Volume |
| Brand Name | MXR |
| Color | Blue |
| Connector Type | 1/4" (6.35mm) Audio Jack |
| Controls Type | Knob |
| Customer Reviews | 4.4 4.4 out of 5 stars (108) |
| Finish Type | Painted |
| Global Trade Identification Number | 00710137126640 |
| Hardware Interface | HP-HSC |
| Included Components | 9-volt battery |
| Item Dimensions | 14.7 x 12.4 x 7.2 centimeters |
| Item Dimensions L x W x H | 14.7L x 12.5W x 7.2H centimeters |
| Item Type Name | MXR Poly Blue Octave |
| Item Weight | 440 g |
| Manufacturer | Jim Dunlop |
| Manufacturer Part Number | M306 |
| Model Name | Poly Blue Octave |
| Model Number | M306 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Set Name | Four Octave Effects |
| Signal Format | Analog |
| Style | Bass,Expression,Modulation |
| UPC | 710137126640 710137126688 |
| Unit Count | 1 Count |
| Voltage | 9 Volts |
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