Does it work with 9 volts

I use it for 9 volts. Works great!

Is this cable also the right size for 12Volt battery pack?

The plug size is 5.5 x 2.1mm. If your device has the same plug size, it can fit for.

Reverse Polarity Converter Cable

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Description

⚡ Power your pedals right—flip the polarity, not your vibe!

DURABLE SLEEK - Black coaxial cable with plastic outer shell built to last in any indoor jam session or studio grind.
DUAL PLUG DESIGN - One male and one female plug ensures easy, secure connections every time.
COMPACT 173 MM LENGTH - Ideal cable length for tidy pedalboards and desktop setups without clutter.
PRO GRADE COMPATIBILITY - Engineered for keyboards and guitar effect pedals—never worry about power mismatches again.
UNIVERSAL POLARITY SWITCH - Seamlessly flip center positive to negative or vice versa for perfect pedal power.

The Reverse Polarity Converter Cable by Mr.Power is a 173mm coaxial cable featuring a 5.5mm x 2.1mm male-to-female jack designed to reverse center polarity for guitar effect pedals and keyboards. Rated for up to 2A, it ensures compatibility with various power supplies, preventing damage and optimizing performance. Perfect for musicians and producers seeking reliable, professional-grade power connections.

Specifications

ASIN	B07YJKJY7C
Best Sellers Rank	#31,040 in Musical Instruments ( See Top 100 in Musical Instruments ) #69 in Patch Cables
Brand	Mr.Power
Brand Name	Mr.Power
Cable Type	Coaxial
Colour	Black
Compatible Devices	PC
Compatible Phone Models	No Compatible Phone Models
Connectivity Technology	Auxiliary
Connector Gender	Male-to-Female
Connector Type	Male-to-female
Country of Origin	USA
Customer Package Type	sealed anti-static bag
Customer Reviews	4.7 out of 5 stars 161 Reviews
Indoor Outdoor Usage	Indoor
Item Shape	Round
Manufacturer	Mr.Power
Model Number	MP-RPC-5521-2
Number Of Pins	3
Number of Items	2
Other Special Features of the Product	Low Voltage
Outer Material Type	Plastic
Recommended Uses For Product	Connecting guitar effect pedals to amplifiers or keyboards to power supplies
Special Feature	Low Voltage
Unit Count	1 Count

Reviews

S**X

The missing like to power guitar pedals

7.11.2025

K**Z

Use a standard power supply with nonstandard electronics

4.02.2026

O**A

Perfect!

24.09.2024

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

8.01.2021

C**O

Funzionano bene

Spedizione veloce, tutto bene, grazie.

31.12.2020

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!