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BOSS Audio B25N Noise Filter for Car Audio Systems

3.7 out of 5 stars 632 customer reviews

List Price: $8.00
Price: $5.06 & FREE Shipping on orders over $25. Details
You Save: $2.94 (37%)

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B25N
  • Reduces High Pitched Whine Alternator Noise caused by the car's electrical system
  • Ground Loop Isolator Noise Filter
  • Always Use High Quality RCA Cables for your Audio System
  • Dimensions: 3.4 x 1.5 x 1.5, Unit Weight: .30 Lbs
  • Tips: Make sure that the amplifiers have a good ground first. Use at least 10 Gauge wires for the grounds (and power). If you have 2 or more amplifiers, DO NOT go from the ground terminal of one amp to the other and then from there to ground.
  • Tips: Ground each amplifier independently. Same thing if you have added stiffening capacitors, go to a separate ground for the cap.
  • 1 Year Warranty
Add-on Item
This item is available because of the Add-on program
The Add-on program allows Amazon to offer thousands of low-priced items that would be cost-prohibitive to ship on their own. These items ship with qualifying orders over $25. Details
29 new from $5.06 1 used from $4.05
$5.06 Add-on Item & FREE Shipping on orders over $25. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently bought together

  • BOSS Audio B25N Noise Filter for Car Audio Systems
  • +
  • Mpow Ground Loop Noise Isolator for Car Audio / Home Stereo System with 3.5mm Audio Cable (Black)
Total price: $14.05
Buy the selected items together


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Product description

Style:B25N

Gound loop isolator


Product information

Style:B25N

Technical Specification

Warranty [pdf ]

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on August 11, 2014
Style: B25N|Verified Purchase
0Comment| 16 people found this helpful. Was this review helpful to you?YesNoReport abuse
on March 30, 2016
Style: B25N|Verified Purchase
0Comment| 8 people found this helpful. Was this review helpful to you?YesNoReport abuse
on May 27, 2016
Style: B25N|Verified Purchase
0Comment| One person found this helpful. Was this review helpful to you?YesNoReport abuse
on February 7, 2017
Style: B25N|Verified Purchase
0Comment| 2 people found this helpful. Was this review helpful to you?YesNoReport abuse
on August 22, 2016
Style: B25N|Verified Purchase
0Comment| 4 people found this helpful. Was this review helpful to you?YesNoReport abuse
on October 5, 2016
Style: B25N|Verified Purchase
0Comment| 4 people found this helpful. Was this review helpful to you?YesNoReport abuse
on August 20, 2015
Style: B25N|Verified Purchase
0Comment| 3 people found this helpful. Was this review helpful to you?YesNoReport abuse

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