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This listing sold on Fri, 1 Aug at 2:12 AM.
BOSS Audio Systems B25N Noise Filter for Car Sound Systems, Ground Loop Isolator
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BOSS Audio Systems B25N Noise Filter for Car Sound Systems, Ground Loop Isolator
US $12.99US $12.99
Sat, 02 Aug, 02:12Sat, 02 Aug, 02:12
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BOSS Audio Systems B25N Noise Filter for Car Sound Systems, Ground Loop Isolator

Jegli31
(3170)
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US $12.99
Approximately£9.65
Condition:
New
Out of stock5 sold
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    Postage:
    Free USPS Ground Advantage®.
    Located in: Doylestown, Ohio, United States
    Delivery:
    Estimated between Tue, 26 Aug and Tue, 2 Sep to 94104
    Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the delivery service selected, the seller's delivery history and other factors. Delivery times may vary, especially during peak periods.
    Returns:
    30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
    Payments:
        Diners Club

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    Seller assumes all responsibility for this listing.
    eBay item number:157059120041
    Last updated on 21 Jul, 2025 00:28:21 BSTView all revisionsView all revisions

    Item specifics

    Condition
    New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging ...
    Brand
    BOSS Audio Systems
    Type
    Noise Filter
    MPN
    B25N
    UPC
    791489170055

    Item description from the seller

    Seller business information

    I certify that all my selling activities will comply with all EU laws and regulations.
    About this seller

    Jegli31

    99.7% positive Feedback•9.2K items sold

    Joined Nov 2014
    Usually responds within 24 hours
    Registered as a business seller
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    Detailed seller ratings

    Average for the last 12 months
    Accurate description
    5.0
    Reasonable postage cost
    5.0
    Delivery time
    5.0
    Communication
    5.0

    Seller Feedback (3,049)

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    • s***x (157)- Feedback left by buyer.
      Past month
      Verified purchase
      Very pleased with this transaction. Seller had a great price and everything was exactly as described. Very well packaged and fast shipping. Highly recommend.
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    • e***- (6)- Feedback left by buyer.
      Past year
      Verified purchase
      The product was better than described and a pleasant surprise! Great shipping and great seller! The packaging was good and the value was 1000%! Would buy from this seller again and again!
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    • w***d (43)- Feedback left by buyer.
      Past 6 months
      Verified purchase
      Item good price, delivered quickly and all exactly as expected. Great eBayer. Would definitely buy from again.
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    Product ratings and reviews

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    4.2
    96 product ratings
    • 65 users rated this 5 out of 5 stars
    • 11 users rated this 4 out of 5 stars
    • 5 users rated this 3 out of 5 stars
    • 6 users rated this 2 out of 5 stars
    • 9 users rated this 1 out of 5 stars

    Easy to install

    Easy to operate

    Good value

    Most relevant reviews

    See all 71 reviews
    • by tbarb1345
      23 Aug, 2016Most favourable review

      Great Product

      My sound system sounded fine when the car was turned off, but when I started the car it would make this loud whining sound. If I revved the engine it would raise in pitch. I found out it was most likely being caused by noise from the alternator and that a noise suppressor could work. This was the cheapest one I could find and it matched the brand of the amp i bought so I said what the hell. I have to admit that I didnt believe it would work and I would end up still taking it to a shop. But I plugged it in and it worked like a charm. No noise at all! Great buy!

      Verified purchase: YesCondition: NewSold by: jb-tools

    • by WVnY4-QKT9S@Deleted
      28 Jan, 2016Most critical review

      Hooked item to same brand deck and had no difference, not happy with Boss nothing

      I hooked item up to same name brand cd tv deck, had no effect same engine noise, hum etc.

      Verified purchase: YesCondition: NewSold by: my_audio_empire

    • by wombatguy2789
      28 Jun, 2016

      Boss Audio Ground Loop Insulators

      I was having low "alternator whine" sounds coming out of my speakers with a 1600watt MOSFET installed in the trunk despite grounding both the MOSFET's to the chasis as well as the recievers ground. I plugged this in directly to the amp and the other end going to the reciver and I instantly the alternator noise was gone. I turn my speakers to the max as a stress test to see if there was much difference and clarity...and really....if there was any difference I sure couldn't tell but the fact of the matter it elimated that annoying buzzy alternator revving RPM sound and even the floor noise and everything sounds so much better. I especially like this because I mounted these in the trunk so they don't shake all over the place and stay put while driving.

      Verified purchase: YesCondition: NewSold by: jb-tools

    • by cellsandmore
      11 Feb, 2020

      Good buy

      Had whining and static coming through speakers from the alternator because of the 1,000 watt amp running my interior speakers. Connected the noise filter, and now it gone!! Only downside is it decreases music volume by a small percent but other than that it’s a great product if you have multiple subs and amps!!

      Verified purchase: YesCondition: NewSold by: jb-tools

    • by kev1mz
      16 Jul, 2017

      What a shame

      I bough a boss amp it was good then an 8 inch sub that works pretty good and then I got this worthless piece of plastic. I thought it was of good quality based on previous purchases but it's just plastic and the rcv attached to it had a bad connection and when it's close to ground the noise on the speakers is unbearable. Very dissapointed and will rethink future purchases from this brand now.

      Verified purchase: YesCondition: NewSold by: audiosavings

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