--- product_id: 677978111 title: "3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Power Converter Cable Cord for Keyboard Guitar Piano Effect Pedals Speaker Radio, Black" brand: "upperfu" price: "S/.64" currency: PEN in_stock: true reviews_count: 6 category: "Upper Fu" url: https://www.desertcart.pe/products/677978111-3pcs-dc-power-5-5mm-x-2-1mm-reverse-polarity store_origin: PE region: Peru --- # 26cm (10.2 inch) cable length Reverse polarity functionality 5.5mm x 2.1mm plug size 3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Power Converter Cable Cord for Keyboard Guitar Piano Effect Pedals Speaker Radio, Black **Brand:** upperfu **Price:** S/.64 **Availability:** βœ… In Stock ## Summary > πŸ”„ Power Up Your Sound, Reverse the Rules! ## Quick Answers - **What is this?** 3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Power Converter Cable Cord for Keyboard Guitar Piano Effect Pedals Speaker Radio, Black by upperfu - **How much does it cost?** S/.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/677978111-3pcs-dc-power-5-5mm-x-2-1mm-reverse-polarity) ## Best For - upperfu enthusiasts ## Why This Product - Trusted upperfu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Compact Yet Mighty:** At just 26cm, these cables keep your setup clean without sacrificing reach. - β€’ **Flip Your Power Game:** Seamlessly switch center positive to center negative with precision reverse polarity cables. - β€’ **Triple Pack Advantage:** Three cables in one set means you’re always ready to power up multiple devices or have spares on hand. - β€’ **Plug & Play Compatibility:** Standard 5.5mm x 2.1mm barrel plugs fit most keyboards, guitar pedals, and speakers effortlessly. - β€’ **Reliable Power Conversion:** Engineered for consistent, stable power delivery to protect your gear and keep your sound flawless. ## Overview This 3-piece set of 5.5mm x 2.1mm reverse polarity DC power cables offers a compact 26cm length designed to convert center positive to center negative polarity (and vice versa). Ideal for keyboards, guitar effect pedals, speakers, and radios, these cables ensure compatibility and reliable power flow, making them essential for any professional musician or audio enthusiast looking to avoid power mishaps and keep their gear performing at its best. ## Description Buy 3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Power Converter Cable Cord for Keyboard Guitar Piano Effect Pedals Speaker Radio UpperFu: Power Supplies - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Good - Good Review: Fair value polarity converter cables that work well - The UpperFu 3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Cable arrived economically packaged in a zip lock style plastic bag and came in good shape. All three cables worked well despite the lackluster presentation. Nothing fancy but it gets the job done. ## Features - These cables are reverse polarity cable. One male plug and one female plug. - Plug Dimension: 5.5mmx 2.1mm . Cord Length: Total 26cm/10.2inch - Functions: to reverse the center Positive output to center Negative, or reverse the center Negative to center positive. - Reverse Polarity what you want, fit for keyboard and guitar effect pedal. - Note: Please make sure your cord end is 5.5mm x 2.1mm compatible. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D4F7ZFY8 | | Best Sellers Rank | #23,224 in Musical Instruments ( See Top 100 in Musical Instruments ) #232 in Keyboard Power Supplies | | Brand | UpperFu | | Built-In Media | DC Power Cable | | Color | Black | | Connector Gender | Male-to-Female | | Customer Reviews | 4.5 4.5 out of 5 stars (13) | | Indoor Outdoor Usage | Indoor | | Item Length | 26 Centimeters | | Item Weight | 36 Grams | | Manufacturer | Shenzhen Shangfu Electronics Co., Ltd | | Mfr Part Number | 756557788402 | | Model Number | DC 5.5mm x 2.1mm | | Plug Type | 5.5mm x 2.1mm barrel plug | | Power Cord Prong Count | 1 | | UPC | 756557788402 | ## Product Details - **Brand:** UpperFu - **Color:** Black - **Connector Gender:** Male-to-Female - **Item Weight:** 36 Grams - **Plug Format:** 5.5mm x 2.1mm barrel plug ## Images ![3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Power Converter Cable Cord for Keyboard Guitar Piano Effect Pedals Speaker Radio, Black - Image 1](https://m.media-amazon.com/images/I/61aGTfaEcvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good *by E***K on January 30, 2026* Good ### ⭐⭐⭐⭐ Fair value polarity converter cables that work well *by P***R on September 24, 2025* The UpperFu 3Pcs DC Power 5.5mm x 2.1mm Reverse Polarity Cable arrived economically packaged in a zip lock style plastic bag and came in good shape. All three cables worked well despite the lackluster presentation. Nothing fancy but it gets the job done. ### ⭐⭐⭐⭐⭐ Saves having to buy a different power supply *by A***R on January 27, 2026* Works great! --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pe/products/677978111-3pcs-dc-power-5-5mm-x-2-1mm-reverse-polarity](https://www.desertcart.pe/products/677978111-3pcs-dc-power-5-5mm-x-2-1mm-reverse-polarity) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-06-23*