---
product_id: 583969896
title: "Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA"
brand: "belker"
price: "€ 53.14"
currency: EUR
in_stock: false
reviews_count: 5
category: "Belker"
url: https://www.desertcart.fi/products/583969896-belker-5-5-x-2-1mm-jack-reverse-polarity-converter
store_origin: FI
region: Finland
---

# Supports up to 3A current 5.5 x 2.1mm jack size Braided cable for durability Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA

**Brand:** belker
**Price:** € 53.14
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Never lose power or polarity again – stay plugged in and in control!

## Quick Answers

- **What is this?** Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA by belker
- **How much does it cost?** € 53.14 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/583969896-belker-5-5-x-2-1mm-jack-reverse-polarity-converter)

## Best For

- belker enthusiasts

## Why This Product

- Trusted belker brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Braided Design:** Tangle-free, durable cable built to last
- • **Robust 3A Current Support:** Power your pedals and keyboards without a hitch
- • **Wide Device Compatibility:** Perfect for guitar pedals, keyboards, speakers & more
- • **Compact & Sleek Black Finish:** Discreet yet professional look for your setup
- • **Universal Reverse Polarity Fix:** Effortlessly convert polarity to protect your gear

## Overview

The Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable is a durable, braided power cable designed to convert polarity for small AC electronics like guitar pedals, keyboards, and speakers. Supporting up to 3 amps, it ensures reliable power delivery while preventing damage from polarity mismatches. Compatible with most 5.5*2.1mm output plugs, this cable is a must-have for musicians and tech professionals seeking seamless, safe power connections.

## Description

Designed exclusively for Belker Universal Multi-Voltage AC Power Adapter, Also for most adapters with 5.5*2.1mm output plug tip. If your device polarity is contrary to the adapter, please use this cable to convert. Generally applicable to baby monitor, keyboard, speaker, radio, electrical toys, and more small ac electronics with central negative polarity -.

Review: Great solution for odd pedals
Review: This is great but it's unfortunate that we need it!

## Features

- Item Category: Electronic Cable
- Item Trademark: GENERIC
- manufacturer: Belker

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PMHMPMP |
| Best Sellers Rank | #45,471 in Musical Instruments ( See Top 100 in Musical Instruments ) #117 in Power Cables |
| Brand | Belker |
| Brand Name | Belker |
| Cable Type | AUX |
| Colour | Black |
| Compatible Devices | Speaker |
| Connector Gender | Male-to-Female |
| Connector Type | DC barrel jack |
| Customer Reviews | 4.6 out of 5 stars 224 Reviews |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Round |
| Manufacturer | Belker |
| Maximum Current | 3 Amps |
| Model Number | 607595800178 |
| Number Of Pins | 2 |
| Number of Items | 1 |
| Other Special Features of the Product | Braided |
| Recommended Uses For Product | Connecting and powering small AC electronics |
| Special Feature | Braided |
| Specification Met | UL |
| UPC | 607595800178 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Belker
- **Cable Type:** AUX
- **Compatible Devices:** Speaker
- **Connector Type:** DC barrel jack
- **Special Feature:** Braided

## Images

![Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA - Image 1](https://m.media-amazon.com/images/I/4181rPcgQvL.jpg)
![Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA - Image 2](https://m.media-amazon.com/images/I/41zCAh83kzL.jpg)
![Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA - Image 3](https://m.media-amazon.com/images/I/516sWzWjbgL.jpg)
![Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA - Image 4](https://m.media-amazon.com/images/I/51VkZQbWSgL.jpg)
![Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable for Guitar Piano Pedals Keyboard Max. Support 3A 3000mA - Image 5](https://m.media-amazon.com/images/I/51gqmuXmOdL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great solution for odd pedals
*by T***E on 15 July 2025*



### ⭐⭐⭐⭐⭐ This is great but it's unfortunate that we need it!
*by D***Y on 26 March 2023*



### ⭐⭐⭐⭐⭐ A Belker quality product!
*by S***Y on 16 October 2023*



## Frequently Bought Together

- Belker 5.5 x 2.1mm Jack Reverse Polarity Converter Cable Universal AC Power Adapters Max. Support 3A 3000mA
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**Shop now:** [https://www.desertcart.fi/products/583969896-belker-5-5-x-2-1mm-jack-reverse-polarity-converter](https://www.desertcart.fi/products/583969896-belker-5-5-x-2-1mm-jack-reverse-polarity-converter)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-26*