--- product_id: 2149987 title: "PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others , Black" brand: "pac" price: "115 zΕ‚" currency: PLN in_stock: true reviews_count: 13 category: "Pac" url: https://www.desertcart.pl/products/2149987-pac-sni-1-3-5-3-5-mm-ground-loop store_origin: PL region: Poland --- # Ultra-flat Β±0.03 dB freq. response Eliminates ground loop noise Plug & play 3.5mm input/output PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others , Black **Brand:** pac **Price:** 115 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ”Š Silence the noise, amplify your vibe. ## Quick Answers - **What is this?** PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others , Black by pac - **How much does it cost?** 115 zΕ‚ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/2149987-pac-sni-1-3-5-3-5-mm-ground-loop) ## Best For - pac enthusiasts ## Why This Product - Trusted pac brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Effortless Compatibility:** Universal 3.5mm female input and male output work seamlessly with iPods, Zunes, iRivers, and more. - β€’ **Compact & Discreet Design:** Small footprint tucks away easily in your car or setup without clutter or hassle. - β€’ **Durable Build for Daily Use:** Rugged connectors and quality transformers ensure long-lasting performance even with frequent plugging. - β€’ **Precision Sound Engineering:** Maintains near-perfect Β±0.03 dB frequency response from 2 to 20,000 Hz for audiophile-grade fidelity. - β€’ **Crystal-Clear Audio, Zero Buzz:** Say goodbye to alternator whine and annoying hums for pristine sound clarity. ## Overview The PAC SNI-1/3.5 Ground Loop Noise Isolator is a compact, plug-and-play device designed to eliminate ground loop hum and alternator whine in car and audio systems. Featuring a near-perfect Β±0.03 dB frequency response across 2-20,000 Hz and proprietary audio transformers providing a slight 1.3 dB gain, it ensures crystal-clear sound quality. Compatible with most factory radios and portable devices via 3.5mm connectors, it’s a must-have for audiophiles and professionals seeking noise-free, high-fidelity audio. ## Description Line out converter for factory radios with 2 to 50-watts per channel. Accepts speaker level input and provides stereo RCA output signal for adding an aftermarket amplified audio system.Product Features 50 watts maximum input per channel Linear 20 to 20,000Hz output based on input signal Transformer isolated for optimal sound and performance Maintains correct phasing Works with most factory installed radios Review: PAC SNI-1/3.5 to 3.5-mm Ground Loop Isolator - I am a professional DJ, and I frequently visit my clients before an event to preview a sample of the music I have lined up. I usually bring my Macbook Pro and a small Bluetooth speaker during face to face meetings with the customer to help me produce a playlist that they will approve of. I recently decided to replace my smaller Bluetooth speaker with just one of my QSC K8 speakers to bring to all of my meetings because the QSC K8 is a Phenomenal speaker (@ 1000 watts!) packed into a small package. This simple setup allows me to show the client how the music will SOUND... but more importantly, how the music will FEEL as I'm spinnin it. With that said, I would always get an annoying buzz through the speaker that would not go away even when I was playing music. To put it in perspective, just imagine that irritating Buzzing noise you hear in a speaker... and amplify it by 1,000 Watts!!! It got to the point where most people noticed it, so it quickly became an issue that I had to resolve... but after some research on the internet, I came across this little gadget called a Ground Loop Isolator/Eliminator. I was very hesitant about this little black box solving my buzzing issue... but I went my gut instinct and bought it through desertcart... Got to me super quick (desertcart Prime rules!!!), and long behold... the buzz was gone!!! This little thing works beautifully. Hard to believe that my $2,500.00 Macbook Pro combined with my $800.00 high end QSC K8 powered speaker just needed a simple $12.16 little black box to solve my buzzing problem. I don't write many reviews... but I had to stick my chest out for this PAC SNI 1/3.5 to 3.5-mm Ground Loop Isolator... This thing really works. So if you have an annoying buzz in your sound setup... try one of these! Great score to achieve Great sounding Music... Review: OUTSTANDING!!! Must have for anyone with alternator whine or noise in their car audio system!! - I have a Dodge Durango and installed an aftermarket radio with an auxiliary input on the front face of the unit. I am a car audio fan so I installed a full system with aftermarket speakers, amplifiers and subwoofers. I only mention that because I am very picky about my music and have a real hard time with any kind of noise in the system. I loved plugging in my iPhone or Android device and listening to Pandora or Spotify. However, as we all know, you can only listen so long before you want to plug your phone in for power or to charge. As soon as I attached power to my phone through either a USB plug in the console or through the cigarette lighter connection there would be horrible alternator whine in the system. I love music and this of course drove me completely crazy. I tried everything including buying a mini blue tooth receiver so I wouldn't have to plug my phone directly into the radio. However, the Bluetooth needed power so as soon as I plugged the Bluetooth receiver in for power, the alternator noise was right back. For any of you that have experienced alternator noise in your car radio, it is a horrible whine that increases or decreases in pitch related roughly to the speed you are going. The louder you turn up the radio, the louder the noise. It's bad. I had finally had it and tried to search online for some kind of isolator and found this little gem. It arrived today and literally just plugs in between your phone and your radio. It took seconds to install and bingo, no more alternator whine. The sound is crystal clear, even when I plug my phone into power. At the highest volumes, even with no music playing there is no background whine or even any hiss or white noise that sometimes comes in from other places in the system. The sounds was just perfect. Some people may have some issue with the size, but it tucks neatly next to my seat and you can't even tell it is there. The total length of the cable is a little short if you are plugging it in to the front of the receiver as it may hang down next to the radio. I would recommend either getting a short mini-phono extension cable (good quality) or simply affixing it to the side of the center console with some double sided tape. It is really fairly small and can be hidden out of the way pretty easily. So far it seems to be of very good quality, not fragile and looks like it could stand up to repeated plugging and unplugging as the connectors are very good. However, once you install it, you really never need to take it out. I will be getting one for each vehicle. We will see how it lasts, but for the price, it is a fantastic solution. I highly recommend this to anyone who has any kind of induced noise coming into their auxiliary plug in their radio. You won't be sorry! Good luck and good listening! ## Features - Ground loop isolator - Close to perfect response of +/- 0.03 dB from 2-20,000 Hz - Utilizes proprietary audio transformers for a 1.3 dB gain - Female 3.5-mm input - Male 3.5-mm output ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001EAQTRI | | Best Sellers Rank | #240 in Car Audio & Video Input Adapters | | Brand | PAC | | Customer Reviews | 4.3 4.3 out of 5 stars (2,247) | | Date First Available | August 13, 2008 | | Is Discontinued By Manufacturer | No | | Item Weight | 3.2 ounces | | Item model number | SNI-1/3.5 | | Manufacturer | Peripheral | | Manufacturer Part Number | SNI-1/3.5 | | Model | SNI-1/3.5 | | Product Dimensions | 5.5 x 4 x 1.5 inches | | Safety Rating | DOT Certified | ## Images ![PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others , Black - Image 1](https://m.media-amazon.com/images/I/61kyGzwSDKL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ PAC SNI-1/3.5 to 3.5-mm Ground Loop Isolator *by T***Y on June 20, 2014* I am a professional DJ, and I frequently visit my clients before an event to preview a sample of the music I have lined up. I usually bring my Macbook Pro and a small Bluetooth speaker during face to face meetings with the customer to help me produce a playlist that they will approve of. I recently decided to replace my smaller Bluetooth speaker with just one of my QSC K8 speakers to bring to all of my meetings because the QSC K8 is a Phenomenal speaker (@ 1000 watts!) packed into a small package. This simple setup allows me to show the client how the music will SOUND... but more importantly, how the music will FEEL as I'm spinnin it. With that said, I would always get an annoying buzz through the speaker that would not go away even when I was playing music. To put it in perspective, just imagine that irritating Buzzing noise you hear in a speaker... and amplify it by 1,000 Watts!!! It got to the point where most people noticed it, so it quickly became an issue that I had to resolve... but after some research on the internet, I came across this little gadget called a Ground Loop Isolator/Eliminator. I was very hesitant about this little black box solving my buzzing issue... but I went my gut instinct and bought it through Amazon... Got to me super quick (Amazon Prime rules!!!), and long behold... the buzz was gone!!! This little thing works beautifully. Hard to believe that my $2,500.00 Macbook Pro combined with my $800.00 high end QSC K8 powered speaker just needed a simple $12.16 little black box to solve my buzzing problem. I don't write many reviews... but I had to stick my chest out for this PAC SNI 1/3.5 to 3.5-mm Ground Loop Isolator... This thing really works. So if you have an annoying buzz in your sound setup... try one of these! Great score to achieve Great sounding Music... ### ⭐⭐⭐⭐⭐ OUTSTANDING!!! Must have for anyone with alternator whine or noise in their car audio system!! *by T***N on June 27, 2014* I have a Dodge Durango and installed an aftermarket radio with an auxiliary input on the front face of the unit. I am a car audio fan so I installed a full system with aftermarket speakers, amplifiers and subwoofers. I only mention that because I am very picky about my music and have a real hard time with any kind of noise in the system. I loved plugging in my iPhone or Android device and listening to Pandora or Spotify. However, as we all know, you can only listen so long before you want to plug your phone in for power or to charge. As soon as I attached power to my phone through either a USB plug in the console or through the cigarette lighter connection there would be horrible alternator whine in the system. I love music and this of course drove me completely crazy. I tried everything including buying a mini blue tooth receiver so I wouldn't have to plug my phone directly into the radio. However, the Bluetooth needed power so as soon as I plugged the Bluetooth receiver in for power, the alternator noise was right back. For any of you that have experienced alternator noise in your car radio, it is a horrible whine that increases or decreases in pitch related roughly to the speed you are going. The louder you turn up the radio, the louder the noise. It's bad. I had finally had it and tried to search online for some kind of isolator and found this little gem. It arrived today and literally just plugs in between your phone and your radio. It took seconds to install and bingo, no more alternator whine. The sound is crystal clear, even when I plug my phone into power. At the highest volumes, even with no music playing there is no background whine or even any hiss or white noise that sometimes comes in from other places in the system. The sounds was just perfect. Some people may have some issue with the size, but it tucks neatly next to my seat and you can't even tell it is there. The total length of the cable is a little short if you are plugging it in to the front of the receiver as it may hang down next to the radio. I would recommend either getting a short mini-phono extension cable (good quality) or simply affixing it to the side of the center console with some double sided tape. It is really fairly small and can be hidden out of the way pretty easily. So far it seems to be of very good quality, not fragile and looks like it could stand up to repeated plugging and unplugging as the connectors are very good. However, once you install it, you really never need to take it out. I will be getting one for each vehicle. We will see how it lasts, but for the price, it is a fantastic solution. I highly recommend this to anyone who has any kind of induced noise coming into their auxiliary plug in their radio. You won't be sorry! Good luck and good listening! ### ⭐⭐⭐⭐⭐ Superb noise removal without sound attenuation *by W***L on August 4, 2014* I have a 2006 Acura with a GTA car kit and the alternator whine while charging was bugging me to the extreme. After reading the reviews, I still had concerns about this device. 1) Will it work "backwards"? 2) Will it attenuate sound? So here's what I discovered: 1) It most definitely works "backwards". Since the car kit necessitates me placing the output from my phone into the "input" side of the device, I really had no choice on how to "route" the signal. Immediately I noticed a tremendous improvement. The whine is still there, but I need to turn the volume up to 30 to hear it at all during a pause in playback. Since I normally listen at 10-15 which is plenty loud for me, this was a non-issue. It did what I needed it to do perfectly, the whine is not audible at idle during silence between tracks, the whine is not audible at 60+ MPH during silence between tracks. 2) This was the big concern for me as several reviews mentioned this cut audio and killed frequency response. The music was just as loud, and using the "8 Mile" soundtrack as my testing album, bass response was just the same, deep and powerful. Highs were crisp and clear. This device did not attenuate sound at all. The only thing is that the jack sleeve is a bit thick to ensure a solid insertion into my phone's headphone jack with the case on. So I need to remove the case in order to ensure a good connection. I almost docked a star because of this, but that is not really a flaw with the device. If you have a loud whine while charging your phone and listening via Aux-In and are on the fence about this device, don't be. It works, and works great. ## Frequently Bought Together - PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others , Black - BESIGN Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable - Cable Matters Ground Loop Isolator 3.5mm Noise Isolator Hum Eliminator for Car Audio and More --- ## 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.pl/products/2149987-pac-sni-1-3-5-3-5-mm-ground-loop](https://www.desertcart.pl/products/2149987-pac-sni-1-3-5-3-5-mm-ground-loop) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-23*