PAC SNI-1/3.5 Noise Filter Helps eliminate ground loop noise from your portable music player! (3.5mm plugs) Zoom Front Video loading and will display in just a moment. Photos Videos My vehicle's homepage We don't check this item for fit or compatibility. Item# 127SNI135 offer details Item# 127SNI135 Review Sumary 75 people say In Stock Free Crutchfield lifetime tech support Free Shipping Your price $17.99 Add to cart + Add to wishlist | Email me alerts for this product See related offers and ways to save Special Financing Available Overview Details Customer Reviews Category Info Our take on the PAC SNI-1/3.5 Noise Filter by Tim Sprinkle 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. Hands-on research from the Crutchfield Labs (what are the Labs?) What’s in the box? | In-depth notes Product Research Product Research What's in the box? Download owner's manual Noise filter with attached 10" input cable (terminated with female 3.5mm minijack) and 10" output cable (terminated with 3.5mm male minijack) Our Product Research Team At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices. 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. Product Reviews Review this product Thanks for taking the time to share your experiences about this product. Please be sure to focus your comments on the product itself. Read our Review Guidelines for more information. Review title * Email * Please include your email* Please enter a valid email address. 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Submit the URL of your YouTube™ video review or product demonstration. e.g., http://www.youtube.com/v/o79TWHh598U 500 characters left Pros * Please limit comments to 500 characters 500 characters left Cons * Please limit comments to 500 characters * Agree to Terms By checking this box you agree your review becomes the property of Crutchfield, that you are over 18 years of age, that you own or have owned this product, and that you are located within the United States or its territories. Please see our Review Guidelines for more information. We reserve the right (but are not obligated to) review all submissions and edit or remove any review in any manner which we deem necessary. Your review should be posted within seven days. Submit Share this product 1-10 of 75 items >> 10 Per Page 20 Per Page 50 Per Page Sort Results By: Date Reviewed | Rating | Helpfulness 5 out of 5 BUY ONE!!!! Written By Toyota Man, MA on Wednesday, November 09, 2011 I have tried just about everything. This is the only thing that really works. NO MORE HUM!!! PRICELESS!! Pros: small, compact and a great price. this thing really works. 10 stars in my book. no more hum. buy it Was this review helpful? Yes | No 5 out of 5 WORKS RIGHT THE FIRST TIME! Written By Ray, New York, New York on Thursday, November 03, 2011 This was so easy to install in my Lexus IS250's aux input. Whenever I had my iPhone hooked up to both my car's aux input for music and the cigarette lighter for power, I got this annoying alternator whine. This PAC SNI-1/3.5 Noise Filter solved the problem instantly! Many thanks, Crutchfield, for letting me know this product even existed! Was this review helpful? Yes | No 1 out of 5 No effect on audio feedback Written By KeithN, Columbus,OH on Thursday, November 03, 2011 Sounds like a great idea, but it didn't work. I'm getting feedback in my 2010 Mazda 3 when I have my iPhone charging and plugged into the aux at the same time. This product did nothing to reduce the feedback. Was this review helpful? Yes | No 1 out of 5 Poorly made, cheaply produced Written By BWsquare, Los Angeles, CA on Saturday, August 13, 2011 Can they not make these things right, ever? This is the second piece of car audio equipment I've bought in the past few days that is broken. Loose wire causing crackle and shorting. Poorly manufactured. Lame. Was this review helpful? Yes | No 5 out of 5 Got rid of the hum Written By DL, Chicago on Tuesday, June 21, 2011 Whenever I listened to my mp3's while driving, I would get this annoying hum if a) the phone was plugged into the Aux port AND b) the phone was connected to the car charger. The hum disappeared if i disconnected the car charger. This was fine for short trips, but not for longer road trips. I heard a ground loop isolator would solve the problem. Plugged it in and voila, no more hum. Was this review helpful? Yes | No 5 out of 5 great simple solution Written By bdmcfarland7, Centerville, OH on Sunday, February 20, 2011 This worked great for me. I run my Sirius satellite radio directly into an auxiliary input adapter in my car to avoid using the FM transmitter. I had a constant buzzing/whining sound coming through the speakers, and this device completely got rid of it. It was a no hassle install and well worth the money. Consider me a satisfied customer. 1 out of 1 people found this helpful Was this review helpful? Yes | No 3 out of 5 Bad Sound quality Written By Tan, Atlanta, GA on Thursday, October 14, 2010 I purchased this product because it got such high rating. However, I was disappointed in the sound quality. It does eliminate the engine whining noise. It also eliminated the low and high frequency from the music. In that respect, if you only use this for talking on the phone then this product works just fine for you. However, if you want to listen to the music from your phone, the music may not sound very good. I found out the hard way that the solution is much easier then you think. When this product didn't work as good as I wanted, I then look for alternative. All I have to do was to make sure the negative wire to the cigarette lighter is properly grounded. Was this review helpful? Yes | No 5 out of 5 Works like a charm! Written By Brice, Monroe, MI on Wednesday, June 16, 2010 I use my iPod Touch as the user interface for my XM radio along with the dock that connects the antenna and powers the iPod, etc. The fm transmitter of the dock is not very effective, so I used a separate, much better transmitter. However, when I connected the two, the ground loop was obnoxious. After taking less than a minute to plug in this noise filter, the ground loop was gone, and my sound is impeccable once more! 1 out of 1 people found this helpful Was this review helpful? Yes | No 5 out of 5 Excellent product, excellent service. Written By Alberto, Miami, FL. on Tuesday, June 08, 2010 Bought it for my Mazda 3 and worked great. Guys at customer service were very helpful making my payment with international credit card. Thanks a lot. 1 out of 1 people found this helpful Was this review helpful? Yes | No 5 out of 5 Worked as advertised Written By Terrance, Dearborn, MI on Friday, April 23, 2010 Golly, what a difference! Instead of the insanity created by constant alternator whine, I now have a clean signal. With regard to those that say they lose some fidelity, I didn't really notice any loss. The signal was so bad anyway, how would you be able to tell? Thank you Crutchfield. Good service and speedy delivery. Was this review helpful? Yes | No 1-10 of 75 items >> Learn more about Noise Filters Learn more about Noise Filters How to Choose a Noise Suppressor How to Choose a Noise Suppressor Crutchfield Writing Team 8/12/2009 based on 38 ratings (4 comments) Noise can be introduced into your system from a number of sources. Find out how to track down and reduce or eliminate noise in your car audio system. How To Diagnose and Suppress Noise How To Diagnose and Suppress Noise Crutchfield Writing Team 7/26/2010 based on 8 ratings A diagram to help you diagnose and cure the most common noise problems associated with outboard amplifiers. Noise Suppression Guide Noise Suppression Guide Crutchfield Writing Team 9/30/2004 based on 61 ratings (22 comments) A guide to solving noise problems in your vehicle's audio system. Noise Suppressor FAQ Noise Suppressor FAQ Crutchfield Writing Team 6/16/2003 How can I stop the annoying "thump" I get when turning on my stereo? Is it possible to have noise in my stereo even if I don't have a separate amplifier? My friend's system has a lot of noise. How... Portable player + aux jack = unwanted noise? Portable player + aux jack = unwanted noise? Zak Billmeier 5/14/2008 I put in a plug-and-play satellite radio recently, connecting it to my Dual XHD-6425 head unit through its aux input. With channel guide in hand, I began flipping stations in earnest, ready to... Visit our Learning Center to learn more about Noise Filters
Our take on the PAC SNI-1/3.5 Noise Filter by Tim Sprinkle 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.
Hands-on research from the Crutchfield Labs (what are the Labs?) What’s in the box? | In-depth notes Product Research Product Research What's in the box? Download owner's manual Noise filter with attached 10" input cable (terminated with female 3.5mm minijack) and 10" output cable (terminated with 3.5mm male minijack) Our Product Research Team At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices. 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.
5 out of 5 BUY ONE!!!! Written By Toyota Man, MA on Wednesday, November 09, 2011 I have tried just about everything. This is the only thing that really works. NO MORE HUM!!! PRICELESS!! Pros: small, compact and a great price. this thing really works. 10 stars in my book. no more hum. buy it Was this review helpful? Yes | No
5 out of 5 WORKS RIGHT THE FIRST TIME! Written By Ray, New York, New York on Thursday, November 03, 2011 This was so easy to install in my Lexus IS250's aux input. Whenever I had my iPhone hooked up to both my car's aux input for music and the cigarette lighter for power, I got this annoying alternator whine. This PAC SNI-1/3.5 Noise Filter solved the problem instantly! Many thanks, Crutchfield, for letting me know this product even existed! Was this review helpful? Yes | No
1 out of 5 No effect on audio feedback Written By KeithN, Columbus,OH on Thursday, November 03, 2011 Sounds like a great idea, but it didn't work. I'm getting feedback in my 2010 Mazda 3 when I have my iPhone charging and plugged into the aux at the same time. This product did nothing to reduce the feedback. Was this review helpful? Yes | No
1 out of 5 Poorly made, cheaply produced Written By BWsquare, Los Angeles, CA on Saturday, August 13, 2011 Can they not make these things right, ever? This is the second piece of car audio equipment I've bought in the past few days that is broken. Loose wire causing crackle and shorting. Poorly manufactured. Lame. Was this review helpful? Yes | No
5 out of 5 Got rid of the hum Written By DL, Chicago on Tuesday, June 21, 2011 Whenever I listened to my mp3's while driving, I would get this annoying hum if a) the phone was plugged into the Aux port AND b) the phone was connected to the car charger. The hum disappeared if i disconnected the car charger. This was fine for short trips, but not for longer road trips. I heard a ground loop isolator would solve the problem. Plugged it in and voila, no more hum. Was this review helpful? Yes | No
5 out of 5 great simple solution Written By bdmcfarland7, Centerville, OH on Sunday, February 20, 2011 This worked great for me. I run my Sirius satellite radio directly into an auxiliary input adapter in my car to avoid using the FM transmitter. I had a constant buzzing/whining sound coming through the speakers, and this device completely got rid of it. It was a no hassle install and well worth the money. Consider me a satisfied customer. 1 out of 1 people found this helpful Was this review helpful? Yes | No
3 out of 5 Bad Sound quality Written By Tan, Atlanta, GA on Thursday, October 14, 2010 I purchased this product because it got such high rating. However, I was disappointed in the sound quality. It does eliminate the engine whining noise. It also eliminated the low and high frequency from the music. In that respect, if you only use this for talking on the phone then this product works just fine for you. However, if you want to listen to the music from your phone, the music may not sound very good. I found out the hard way that the solution is much easier then you think. When this product didn't work as good as I wanted, I then look for alternative. All I have to do was to make sure the negative wire to the cigarette lighter is properly grounded. Was this review helpful? Yes | No
5 out of 5 Works like a charm! Written By Brice, Monroe, MI on Wednesday, June 16, 2010 I use my iPod Touch as the user interface for my XM radio along with the dock that connects the antenna and powers the iPod, etc. The fm transmitter of the dock is not very effective, so I used a separate, much better transmitter. However, when I connected the two, the ground loop was obnoxious. After taking less than a minute to plug in this noise filter, the ground loop was gone, and my sound is impeccable once more! 1 out of 1 people found this helpful Was this review helpful? Yes | No
5 out of 5 Excellent product, excellent service. Written By Alberto, Miami, FL. on Tuesday, June 08, 2010 Bought it for my Mazda 3 and worked great. Guys at customer service were very helpful making my payment with international credit card. Thanks a lot. 1 out of 1 people found this helpful Was this review helpful? Yes | No
5 out of 5 Worked as advertised Written By Terrance, Dearborn, MI on Friday, April 23, 2010 Golly, what a difference! Instead of the insanity created by constant alternator whine, I now have a clean signal. With regard to those that say they lose some fidelity, I didn't really notice any loss. The signal was so bad anyway, how would you be able to tell? Thank you Crutchfield. Good service and speedy delivery. Was this review helpful? Yes | No
Learn more about Noise Filters Learn more about Noise Filters How to Choose a Noise Suppressor How to Choose a Noise Suppressor Crutchfield Writing Team 8/12/2009 based on 38 ratings (4 comments) Noise can be introduced into your system from a number of sources. Find out how to track down and reduce or eliminate noise in your car audio system. How To Diagnose and Suppress Noise How To Diagnose and Suppress Noise Crutchfield Writing Team 7/26/2010 based on 8 ratings A diagram to help you diagnose and cure the most common noise problems associated with outboard amplifiers. Noise Suppression Guide Noise Suppression Guide Crutchfield Writing Team 9/30/2004 based on 61 ratings (22 comments) A guide to solving noise problems in your vehicle's audio system. Noise Suppressor FAQ Noise Suppressor FAQ Crutchfield Writing Team 6/16/2003 How can I stop the annoying "thump" I get when turning on my stereo? Is it possible to have noise in my stereo even if I don't have a separate amplifier? My friend's system has a lot of noise. How... Portable player + aux jack = unwanted noise? Portable player + aux jack = unwanted noise? Zak Billmeier 5/14/2008 I put in a plug-and-play satellite radio recently, connecting it to my Dual XHD-6425 head unit through its aux input. With channel guide in hand, I began flipping stations in earnest, ready to... Visit our Learning Center to learn more about Noise Filters
How to Choose a Noise Suppressor How to Choose a Noise Suppressor Crutchfield Writing Team 8/12/2009 based on 38 ratings (4 comments) Noise can be introduced into your system from a number of sources. Find out how to track down and reduce or eliminate noise in your car audio system.
How To Diagnose and Suppress Noise How To Diagnose and Suppress Noise Crutchfield Writing Team 7/26/2010 based on 8 ratings A diagram to help you diagnose and cure the most common noise problems associated with outboard amplifiers.
Noise Suppression Guide Noise Suppression Guide Crutchfield Writing Team 9/30/2004 based on 61 ratings (22 comments) A guide to solving noise problems in your vehicle's audio system.
Noise Suppressor FAQ Noise Suppressor FAQ Crutchfield Writing Team 6/16/2003 How can I stop the annoying "thump" I get when turning on my stereo? Is it possible to have noise in my stereo even if I don't have a separate amplifier? My friend's system has a lot of noise. How...
Portable player + aux jack = unwanted noise? Portable player + aux jack = unwanted noise? Zak Billmeier 5/14/2008 I put in a plug-and-play satellite radio recently, connecting it to my Dual XHD-6425 head unit through its aux input. With channel guide in hand, I began flipping stations in earnest, ready to...