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PAC SNI-1/3.5 Noise Filter

Helps eliminate ground loop noise from your portable music player! (3.5mm plugs)

Item # 127SNI135

Problem: You plug your portable music player into the aux input on your car's receiver, but there's an annoying...

Problem: You plug your portable music player into the aux input on your car's receiver, but there's an annoying...

Item # 127SNI135

In stock
$11.99

About the PAC SNI-1/3.5 Noise Filter

Problem: You plug your portable music player into the aux input on your car's receiver, but there's an annoying whine along with the music.

Problem: You plug your portable music player into the aux input on your car's receiver, but there's an annoying whine along with the music.

Solution: PAC's SNI-1/3.5 preamp noise filter plugs in between your receiver's auxiliary input and your portable music player to help reduce noise caused by a ground loop. The filter includes a female 3.5mm input, a male 3.5mm output, and 10 inches of cable for each jack. Warranty: 30 days.

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What's in the box:

  • Noise filter with attached 10" input cable (terminated with female 3.5mm minijack) and 10" output cable (terminated with 3.5mm male minijack)
MFR #SNI-1/3.5

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PAC SNI-1/3.5 Noise Filter reviews

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Crutchfield response

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More details on the PAC SNI-1/3.5 Noise Filter

Mark G.

Product Research

Features

Application: This noise filter is great for eliminating ground loop noise between an auxiliary source and radio.

Frequency Response: This noise filter has close to perfect frequency response of +/- .03 dB from 20-20kHz.

Gain: Unlike other manufactures that use 1:1 transformers, PAC utilizes proprietary audio transformers for a 1.3 dB gain to compensate for any signal loss that may occur due to additional connections in the signal path.

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Customer Q&A

3 questions already asked

Q
Will this filter effect sound quality?
[ John Lovett  Apr 20, 2016 ]
3 answers
A
I bought this item a while ago and have not used it in more than a year. My recollection is that it did a good job of reducing background noise (which is the problem that I was having - a whistling or high pitch in the background). It reduced sound quality a little but overall I had a better sound experience with the reduction of the background noise.
[ STANLEY  Apr 21, 2016 ]
A
it works very well for me i had a humming its gone now so it works for me
[ Henry  Apr 21, 2016 ]
A
Makes it better, especially at lower volumes. The filter provides a very well-crafted Signal-to-Noise Ratio that dramatically improves the quality; no hiss is heard even when the there is no sound.
[ Vernon  Apr 21, 2016 ]
Q
I just recently installed a new aux cord into my car. It works! But when I turn on the engine and play music on my phone, I hear a whine. And when I rev the whine increases. This occurs with only the aux cord connected to my iPod (does not matter if it's charged). Will this be a remedy? The whine does not occur when I switch away from aux as the choice for music input.
[ James  Sep 02, 2015 ]
2 answers
A
Yes! I had the same problem, engine whine when using the aux input. I think my xm radio antenna was picking it up. plugged this between the xm and the aux input. Worked perfectly, no more whine
[ MARK  Oct 05, 2020 ]
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Krissy  Sep 02, 2015 ]  Staff
Q
You folks have no directions for proper hook-up on your item box! I am sure many people have this device hooked up wrong. I was always told to go from output to inputs or vise versa when hooking stereo equipment up. So with that said....my Ipod is the output and so the Ipod will get plugged into the INPUT cable of the suppressor. Correct? Outty to Inny! Now my Output cable on my suppressor will plug into my input of my Aux port...Outty to Inny Correct?? Thank you
[ Don  Jan 22, 2014 ]
4 answers
A
Correct, that is how I connected it and it worked. If you were to reverse that connection you would need male/female adapters.
[ ROGER F  Jan 22, 2014 ]
A
Yes, the "output" of the iPod goes into the "input" on the PAC SNI-1/3.5 Noise Filter. The "output" on the PAC SNI-1/3.5 Noise Filter plugs into the "input" of your car stereo. So, you are correct! It works like a charm in my 2005 Mini Cooper S Convertible!
[ Ron  Jan 22, 2014 ]
A
yes, that's correct. The male connector goes to your Aux port. Good luck, Dirk
[ Dirk  Jan 22, 2014 ]
A
It doesn't matter how you hook it up. I did it both ways and conducted an unofficial road noise test. For me, it made more sense to hook the box up directly to the AUX input on my vehicle. That way I was able to hide the box out of sight and use a longer, more user friendly 3.5mm to 3.5mm male to male cord to hook up my device to the box... Good luck, this item works as advertised.
[ DAP56  Jan 22, 2014 ]

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