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PAC SNI-1/3.5

3.5mm Ground Loop Noise Isolator Works W/ iPod / Zune / iRiver and Others

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List price $16.95

$10.99

with warranty

You Save: $5.96 (35.16%)

Arrives by Thursday, Aug. 7 to zip 98144

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Ground Loop Isolator

If you are like most folks, you probably hate when you plug your portable music player into the 3.5mm (headphone jack) aux input on your car stereo and get an annoying whine that interferes with music playback. Well if so, the PAC SNI-1/3.5 is the answer for you. PAC's SNI-1/3.5 preamp noise filter plugs in between your receiver's auxiliary input and your portable music player and helps reduce noise caused by ground loops. The filter includes a female 3.5mm input, a male 3.5mm output, and 10 inches of cable for each jack.

Product 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 3.5mm input
  • Male 3.5mm output
  • 10 Inches of cable for each jack
  • 1-year Manufacturer's Warranty

Product History:

PAC LPGL-2 thumbnail
(newest, current model)
PAC SNI-1/3.5 thumbnail
(previous model, replaced by PAC LPGL-2)

Noise Filter Specifications

Noise Filter Type
This designates the type of noise filter listed.

Ground Loop Isolators are connected in-line with the RCA interconnects or other audio cables.

Power Line noise filters connect to the power line of the receiver and help reduce noise from the source.

Pop Eliminator noise filters are designed to remove the "pop" that occasionally happens in some systems when the vehicle is turned on.

Ground Loop Isolator

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
75%
4 Star
18%
3 Star
5%
2 Star
0%
1 Star
3%

Average Attribution Rating

Durability
4.5
Value
4.7
Features
4.5
Design
4.2
Usability
4.9

JC

Reno, NV

Overall
Durability
Value
Features
Design
Usability

Immediate results

April 29, 2014

The annoying hum in my system was gone instantly when I hooked it up. I will never set up a system without one again

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Sean

Auburn,al

Overall
Durability
Value
Features
Design
Usability

Works well

January 7, 2014

Cheap, simple, does the job. Removed all the noise from a leaky audio input jack.

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Colin

Great Britain

Overall
Durability
Value
Features
Design
Usability

Ground loop isolator

September 17, 2013

Excellent product and great service/delivery. This product removed all hissing noises from my iPhone playing through the car stereo.

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eeast

Knoxville, TN

Overall
Durability
Value
Features
Design
Usability

Excellent perfomance: no more Alternator Squeal

August 19, 2013

The price is right and if you need a stereo-mini ground loop isolator, look no further. My Aux-in was very noisy until I used this filter. Just plug it in right before the Aux-in.

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John

Canada

Overall
Durability
Value
Features
Design
Usability

Noise Filter

June 5, 2013

Had a high pitched squeal with XM satalite radio plugged into Aux jack. This filter has cured the problem and stopped the noise.

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X

Texas

Overall
Durability
Value
Features
Design
Usability

Works as designed

January 18, 2013

Not the prettiest little device, but definitely does the job it was purchased for. Super simple install (inline to the AUX jack) and instant results. For reference, this is being used on a 2009 Mazda 3 with the infamous whine induced by having a device (phone in this instance) plugged into AUX audio port and charging from a 12v car charger at the same time. The PAC SNI-1/3.5 has been in place for about a year now and still works like a champ. This is a must-have to eliminate alternator whine.

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Chuck

WA

Overall
Durability
Value
Features
Design
Usability

Exactly what I needed!

January 6, 2013

My Toyota Rav-4 came with an ipod jack, but I rarely used it because there was an annoying hum through the speakers every time I did. Fortunately, I stumbled on some information online that led me to the Rav4World.com website where I learned of the existence of the PAC SNI-1/3.5 so I bought one, and it solved the problem instantly!

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Brian

Ohio

Overall
Durability
Value
Features
Design
Usability

Excellent product

December 11, 2012

I bought the loop for my XM radio which had horrible static. After the loop the sound quality is crystal clear.

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Steve K

Walnut Creek, CA

Overall
Durability
Value
Features
Design
Usability

WORKS!

September 10, 2012

After doing research on how to eliminate the ground loop hum/buzz I was getting on my SoundWorks amplified 2.1 speaker system connected to an Iogear Miniview DVI 4-Port USB KVM Switch I decided to give this product a try. I checked online and found that it was available for an excellent price at Sonix Electronix. I ordered four of them, one for each computer connection. Installing them on each of the audio outputs of the KVM completely resolved the problem - NO MORE HUM/BUZZ! I highly recommend this product and have done so already to Iogear's technical support.

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lmd6204

Chicago

Overall
Durability
Value
Features
Design
Usability

Works very good

September 6, 2012

I bought this filter for hooking up my smartphone to my aux input in my car's stereo system. I was getting constant very bad noise when I listened to music on Pandora through my car system (I think the noise is from the processor in my phone). This filter took almost all of the noise away and I am able to enjoy my music. I do, still, however get these little high frequencies pitches of noise which aren't so bad and I can live with them.

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Andrew

South Florida

Overall
Durability
Value
Features
Design
Usability

Cheap & Easy Fix for Poorly Designed Car!

August 26, 2012

This was very easy to install to cure the problems associated with Ground Loop problems in modern cars. I own a 2008 Prius that has a 3.5mm jack built into the car designed specifically to connect your portable MP3 player to the factory car sound system. It works great until you connect your portable device to 12V car power and then that awful squeal with the audio. I just plugged the PAC SNIj-1/3.5 into the cars audio port and added a separately purchased adapter/extension cable to the device to my MP3 player and problem solved! NO TOOLS REQUIRED! Be advised that this device along with any other one you buy will lower the input voltage of the audio slightly which will lower the volume a bit, but it does eliminate the issue 100%. Just make sure you purchase an extension cable with the right gender at the ends so you can hide the PAC in your console or under a seat etc. and it will be out of the way. Enjoy!

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Mike H

Naperville, IL

Overall
Durability
Value
Features
Design
Usability

Gets the job done

August 7, 2012

This product works as advertised. Used to connect a DroidX to the stock radio in a Chevy Cruze. Small enough to fit in the center armrest with room to spare.

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Jim

Niles, OH

Overall
Durability
Value
Features
Design
Usability

Solved the problem

March 25, 2012

I was using an iPhone 3GS on my HD dresser, It was not good because I could hear engine noise through the head sets. Bought this pac sni-1/3.5, it totally solved my issue. I would recommend it to anyone with a similar problem.

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Mike

Houston, Tx

Overall
Durability
Value
Features
Design
Usability

Okay

March 12, 2012

I bought this device as a hum elimitator between a computer and a sound board. Works pretty good as long as the volume from the sound board is up.

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DesertRatt

Yuma, AZ

Overall
Durability
Value
Features
Design
Usability

Noise Gone

March 1, 2012

If you have an audio source that is being degraded by an ambient noise. This will do the trick. I have bought two of these for this application. It worked in both situations. It could be smaller, but that is a minor flaw.

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Sam

Mineola, TX.

Overall
Durability
Value
Features
Design
Usability

Another winner from ELECTRONIX.COM !

January 10, 2012

It looked and worked as advertise! Needed it to go from my computer to 5.1 stereo receiver to stop the humming noise produce by the computer. It was simple, just plug and play and no more humming noise, nothing but good stereo sound all around. Would recommend this company for price, quality, and fast service.

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GlobalPolygraph

Elmira, NY

Overall
Durability
Value
Features
Design
Usability

Good value but

December 21, 2011

This is the third SNI-1/3.5 I've bought, and they seem to work great for the first year or so and then the audio quality begins to get muffled and I have to buy another. I should note that I use this unit for my music input in a small (noisy) airplane, and there's lots of vibration the unit needs to deal with. So that said, it's seems to be a good unit but wouldn't recommend it in a high vibration environment.

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Comanche

Copperas Cove, Texas

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Durability
Value
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Design
Usability

Review

December 11, 2011

I like this. It does what it is supposed to do equalize the harmonics in the sound system on my motorcycle.

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Znanoc

Chicago, IL

Overall
Durability
Value
Features
Design
Usability

Works as advertised

December 11, 2011

I bought this for my Toyota Camry with an auxiliary input. With some cars, if you try to plug in the power as well as the audio cable to your iPod/media player, there will be electronic interference and cause a slight buzzing through the speakers. By putting this adapter in between the player and the input for your car, this can reduce (and for me, remove) any of that interference. Great product, highly recommended!

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Abe

Roseland, VA

Overall
Durability
Value
Features
Design
Usability

Good product

November 15, 2011

Does what it says and that's all I need.

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Product Summary

Manufacturer

Model Number

SNI-1/3.5

Weight

0.23lbs

Internal SKU

sni135

Internal Product ID

8987

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: PAC SNI-1/3.5