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🔌 Power your sound, flip the polarity, own the stage.
The Mr.Power Reverse Polarity Power Converter Cable Cord (5.5 x 2.1mm) is a compact, dual-pack solution designed to convert polarity for keyboards and guitar effect pedals. With a standard barrel connector size and a 173mm length, it ensures versatile, clutter-free connectivity for professional musicians and audio enthusiasts alike.


| ASIN | B07YJKJY7C |
| Best Sellers Rank | #6,261 in Musical Instruments ( See Top 100 in Musical Instruments ) #218 in Instrument Cables |
| Brand | Mr.Power |
| Brand Name | Mr.Power |
| Cable Type | Coaxial |
| Color | Black |
| Compatible Devices | PC |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Female |
| Connector Type | Male-to-female |
| Customer Package Type | sealed anti-static bag |
| Customer Reviews | 4.7 out of 5 stars 402 Reviews |
| Indoor Outdoor Usage | Indoor |
| Item Length | 17.3 centimeters |
| Item Shape | Round |
| Manufacturer | Mr.Power |
| Model | MP-RPC-5521-2 |
| Number of Items | 2 |
| Number of Pins | 2 |
| Other Special Features of the Product | Low Voltage |
| Part Number | Reverse Polarity Converter Cable |
| Recommended Uses For Product | Connecting guitar effect pedals to amplifiers or keyboards to power supplies |
| Special Feature | Low Voltage |
| Unit Count | 1 Count |
K**Z
Use a standard power supply with nonstandard electronics
Needed this for a Casio keyboard, bought in a thrift shop with no power cord. I have lots of 'em with the right voltage, but Casio uses a nonstandard polarity (presumably to make us buy their proprietary power cord). This adapter changed my standard polarity cord to fit their keyboard. Worked great and saved me $20!
D**.
Mr.Power Reverse Polarity Converter Cable
Works perfectly
J**J
ESSENTIAL for tape recorder power unit
I bought a tape recorder that didn't come with external power, and the one I had fit just fine, but still didn't work because polarity was backwards. Thus: this perfect little device swaps tip to ring within the barrel connector, and seamlessly lets me proceed with using the same power device for multiple units. EXCELLENT; SIMPLE; PERFECT solution!
R**D
Reverses polarity for power supplies
Used on a vocal effect pedal. Much better than cutting band splicing the power supply lead.
A**V
very snag
J**S
Works as it should, quality's decent
I purchased these because I got a couple 9-volt battery connector/adapters from eBay to use with some guitar pedals, and when they arrived, I realized the polarity was the reverse of what the pedals required. Instead of going through the hassle of returning them, I found these polarity reversers. They did the job, so now they're permanently connected to the 9-volt battery connector/adapters! The quality's pretty decent, so imagine as long as I don't abuse them, I think they'll last for a while.
F**A
The most important thing to me is that these things work
Yes I would definitely recommend these they're definitely work
A**R
Dual directional.
Converts either direction of polarity.
S**X
The missing like to power guitar pedals
Works great ...finally can power my tonex pedal from my power bank via USB and a USB C to DC adaptor cable. You need this converter cable to make it work, just the USB to DC cable won't cut it. Guitar pedals are center pin negative. Solid connection and great quality cable glad I got the 2 pack.
A**O
Addio prese
Funziona benissimo.
A**N
It works
Works great for my guitar pedal
J**S
Brilliant service
It works.
F**O
ottimo cavo
Esegue perfettamente la sua funzione, abbastanza robusto e preciso nella connessione senza giochi. Indispensabvile per l'alimentazione di pedalini per chitarra elettrica e multi effetti senza alimentatore proprio. Consigliato
Trustpilot
1 month ago
2 months ago