About the PAC SNI-1
The SNI-1 preamp noise filter plugs in between your receiver's preamp outputs and your amplifier.
What's in the box:
- Noise filter w/ 11" RCA input leads
- Instructions
Featured review
Bose amplifiers had speaker pop when isnition was turned on and off. I added two of these and they did their jobs as advertised! Good call
Donovan from Albuquerque, NM
Customer Q&A
Q
If I have two sets of pre amps, can I use only one of these? Thanks for any info. Jon
A
No you need two.
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More details on the PAC SNI-1
Researched by Crutchfield's Mark G.
Product Research
Features
- Use when noise is caused by ground loop through patch cords
- Brown wires are optional grounds
- Plugs in at head unit end of RCA cables
- Provides 1.3dB of signal gain to compensate for any signal loss that may occur due to additional connections in the signal path
- 20-20,000 Hz +/-0.5 dB
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Customer Q&A
Q Crutchfield asked: Why did you buy this?
A
To make sure there is no hum in my speakers
[ Nicholas Aug 07, 2019 ]
A
Noise in the stereo
[ David Mar 04, 2019 ]
A
I have motor like humm coming out my speakers
[ VINCENT Jan 15, 2019 ]
A
To suppress ground loop nosie
[ Carl Dec 17, 2018 ]
11 questions already asked
Q
will this stop alternator hum?
[ Tate Mar 24, 2019 ]
2 answers
A
Yes. Had a terrible hum in my boat, and the Crutchfield advisor recommended this for me. I was skeptical, but man, did it do the trick!
[ John Mar 24, 2019 ]
A
This helped mine, it does slightly lower overall volume but compared to the hum it was a very acceptable trade off.
[ Mark Mar 24, 2019 ]
Q
This says it works in the range of 20hz-to 20khz...is this going to limit my input then output to my speakers which are rated to 40khz?
[ Andrew Oct 02, 2018 ]
2 answers
A
Hello, Andrew! My understanding is that 20k is the high end of human hearing, I think the only one who will hear any difference is a dog.....:o) ! This part works great, sounds great.
Steve
[ steve & suellen Oct 02, 2018 ]
A
Yes, it will limit the frequency, but your not going to be able to hear the frequencies that will be filtered out, most people only hear in that 20hz to 20khz range anyway.
[ Coty Oct 02, 2018 ]
Q
How big is this filter? I need to filter my front and rear speakers (only filtered the front and am still getting engine whine from rear doors) but I am running out of space in the dash behind the radio! Are these small or do you have dimensions? What I am hoping is that these are smaller than average--if so I will get 2!
[ Bryant Jun 14, 2017 ]
1 answer
A
They are about an 1 inch thick and about 1 1/2 long I got two to fit behind the head unit. Good luck.
[ RIGOBERTO Jun 15, 2017 ]
Q
i installed an aux to my xm radio and can hear alot of engine rpm noise will this fix it? and how would i install it?
[ Connor Oct 11, 2016 ]
1 answer
A
it worked for me. i installed an after market radio and ended up with alternator whine. this installs between you head unit and the speakers. i put phono plugs on my left. and right speaker outputs and plugged into this unit...
[ Don Oct 13, 2016 ]
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