--- product_id: 575388925 title: "RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator" brand: "fmuser" price: "R846" currency: ZAR in_stock: true reviews_count: 9 url: https://www.desertcart.co.za/products/575388925-rca-audio-ground-loop-isolator-hum-noise-eliminator-for-high store_origin: ZA region: South Africa --- # One-key switch for versatile setup Hum Eliminator for crystal-clear sound Isolation transformer protects devices RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator **Brand:** fmuser **Price:** R846 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your audio game—ditch the hum, keep the vibe! ## Quick Answers - **What is this?** RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator by fmuser - **How much does it cost?** R846 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/575388925-rca-audio-ground-loop-isolator-hum-noise-eliminator-for-high) ## Best For - fmuser enthusiasts ## Why This Product - Trusted fmuser brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Silence the Noise:** Eliminate annoying ground loop hums for pristine audio clarity - • **Gold-Plated Excellence:** Premium RCA connectors ensure superior signal transfer and durability - • **Plug & Play Versatility:** Seamlessly switch between common and non-common ground setups with a simple toggle - • **Universal Compatibility:** Perfect for car audio systems and home theaters alike—upgrade any setup instantly - • **Device Protection Guaranteed:** Isolation transformer safeguards your valuable audio gear from electrical damage ## Overview The FMUSER RCA Audio Ground Loop Isolator is a compact, gold-plated device designed to eliminate ground loop hum and protect audio equipment. Featuring an isolation transformer and a one-key switch for easy adaptation to various audio setups, it delivers high-fidelity sound for car and home theater systems. Lightweight and durable, it’s an essential upgrade for anyone seeking noise-free, professional-grade audio performance. ## Description Buy FMUSER RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator: Noise Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Works fine yet inexpensive - I needed this to eliminate a ground loop hum between my PC and an external audio amp. Worked great. Note that there is a switch that must be flipped accordingly to lift the ground as needed. Audio quality seems fine since it’s only MP3 music. Probably wouldn’t buy this for a million dollar recording studio but for my needs, this was an economical choice. Review: No hay diferencia entre usarlo o no no sirve lo voy a regresar ## Features - Hum Eliminator: Say goodbye to noise issues in your car and home audio systems, and enjoy high-fidelity sound output. This product is the perfect solution for tackling stereo noise problems. - Isolation Transformer: Safeguard your audio devices from potential damage caused by excessive potential difference. This transformer effectively isolates the potential difference between two audio devices, ensuring the protection of input components. - Superior Performance: Experience exceptional audio fidelity, isolation, and noise elimination with the gold-plated RCA interface and advanced permalloy audio isolator. Enjoy outstanding performance in audio quality. - Versatile Adaptability: Easily switch between common ground and non-common ground setups with the one-key switch. This product is designed to perfectly adapt to various complex audio and electrical environments. - Wide Range of Applications: Protect your input components and eliminate ground noise in audio equipment connections. This product is commonly used in car audio systems and home theater setups, making it ideal for a wide range of applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJ9H6PZT | | Best Sellers Rank | #119 in Car Amplifier Noise Filters | | Brand Name | fmuser | | Customer Reviews | 4.0 4.0 out of 5 stars (17) | | Interface | RCA | | Manufacturer | fmuser | | Material Type | Gold | | Number of Channels | 2 | | Number of Pins | 2 | | Warranty Description | 1 year manufacturer | ## Product Details - **Brand:** fmuser - **Interface Type:** RCA - **Material:** Gold - **Number of Channels:** 2 - **Number of Pins:** 2 ## Images ![RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - Image 1](https://m.media-amazon.com/images/I/51Iih2Fap0L.jpg) ![RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - Image 2](https://m.media-amazon.com/images/I/511bWVwdSnL.jpg) ![RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - Image 3](https://m.media-amazon.com/images/I/61v-TQkPe9L.jpg) ![RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - Image 4](https://m.media-amazon.com/images/I/61SDWNqJqfL.jpg) ![RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - Image 5](https://m.media-amazon.com/images/I/71r4EUN3iIL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works fine yet inexpensive *by W***L on July 29, 2025* I needed this to eliminate a ground loop hum between my PC and an external audio amp. Worked great. Note that there is a switch that must be flipped accordingly to lift the ground as needed. Audio quality seems fine since it’s only MP3 music. Probably wouldn’t buy this for a million dollar recording studio but for my needs, this was an economical choice. ### ⭐ Review *by A***R on June 22, 2024* No hay diferencia entre usarlo o no no sirve lo voy a regresar ### ⭐⭐⭐⭐⭐ Great for PC to Mixer *by M***R on March 19, 2026* I had a horrible hum from my gaming PC when sending it through my mixer for streaming, but this completely eliminated the hum I was having. ## Frequently Bought Together - FMUSER RCA Audio Ground Loop Isolator, Hum Noise Eliminator for High-Fidelity Stereo Home Theater & Car Audio Players with 3.5mm Ground Loop Noise Isolator - CESS-163-4i Low Noise 12 Gauge Premium RCA Audio Line Patch Cable (4 Inches) - Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/575388925-rca-audio-ground-loop-isolator-hum-noise-eliminator-for-high](https://www.desertcart.co.za/products/575388925-rca-audio-ground-loop-isolator-hum-noise-eliminator-for-high) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-04-23*