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Alpine KTP-445A 4-Channel 180W Car Amplifier - Black - Picture 1 of 1
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Alpine KTP-445A 4-Channel 180W Car Amplifier - Black

US $99.99
ApproximatelyC $138.11
Condition:
Used
    Shipping:
    US $13.45 (approx C $18.58) USPS Ground Advantage®.
    Located in: Dearborn, Michigan, United States
    Delivery:
    Estimated between Wed, May 7 and Sat, May 10 to 43230
    Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
    Returns:
    No returns accepted.
    Payments:
         Diners Club

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    eBay item number:187061626457
    Last updated on Mar 25, 2025 02:12:13 EDTView all revisionsView all revisions

    Item specifics

    Condition
    Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is ...

    About this product

    Product Identifiers

    Brand
    Alpine
    MPN
    KTP-445A
    GTIN
    4958043543441
    UPC
    4958043543441
    eBay Product ID (ePID)
    2254469556

    Product Key Features

    Channels
    4
    Model
    Alpine KTP-445A
    RMS Power
    45W

    Item description from the seller

    About this seller

    mike3133

    100% positive feedback•32 items sold

    Joined Sep 2019
    Usually responds within 24 hours
    Seller's other itemsContact

    Seller feedback (14)

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      • l***l (80)- Feedback left by buyer.
        Past month
        Verified purchase
        Seller shipped quickly and reasonably, responded to messages well. Would do business with again. A+
      See all feedback

      Product ratings and reviews

      Learn more
      5.0
      11 product ratings
      • 11 users rated this 5 out of 5 stars
      • 0 users rated this 4 out of 5 stars
      • 0 users rated this 3 out of 5 stars
      • 0 users rated this 2 out of 5 stars
      • 0 users rated this 1 out of 5 stars

      Good sound quality

      Good value

      Small form factor

      Most relevant reviews

      See all 10 reviews
      • by marcksuave
        Jun 02, 2020Top favourable review

        KTP-445a - Attached to Non-Alpine Radio

        I have a first gen KTP-445a (non adjustable gain and no high pass filters) that powers a Sony XAV-AX3000 head unit. You can use any of the KTP amps with any head unit (even pre-2005 Alpine units) as long as you don’t mind cutting the input connectors on the amp and your head unit and connecting the wires manually. This is the third one I’ve owned (only one of which I used a compatible Alpine head unit) and the first one without the gain adjustments. As other reviews stated, this amp is powerful and will make your stock speakers come to life. I was worried that without the gain adjustments and with stock speakers that I’d barely be able to turn up the head unit without it being too loud, but it’s not the case. I wasn’t worried about not having a high pass filter because most head unit have ...

        Verified purchase: YesCondition: Pre-OwnedSold by: ryan6592

      • by dcralonzo
        Jun 06, 2018

        Great Price, Great Sound

        Clean and powerful. This mighty little amp is doing exactly as the manufacturer said it would. It was easily installed in/under the dash in a 2003 Jeep Wrangler TJ. As you well know there is not much room in these vehicles. And it's small footprint made it an easy install out of sight. During the summer we take the hard top off. So stealth is important. Alpine has always had great sound and quality. I have had many Alpine head units and amplifiers over the years all were great, this is no exception.

        Verified purchase: YesCondition: NewSold by: loudnprecision

      • by frdbtr
        Jan 19, 2018

        Good amp for what it is.

        I wanted a "power up" amp for the infinity kappa speakers I was running in my car. This one fit the bill. Plugs right into my Alpine head unit and worked perfectly. It sounds really good for what it is. You will get better sound from a traditional amp but if you are just looking for a power upgrade for a really good price that is a snap to install, this may be for you.

        Verified purchase: YesCondition: NewSold by: loudnprecision

      • by dajuani_0
        Oct 19, 2020

        Great little amp to wake up your system

        Perfect power punch for you Alpine deck. Easy to install and bring your aftermarket speakers to life!

        Verified purchase: YesCondition: NewSold by: wpmore

      • by dburtovoy03
        Feb 23, 2022

        Nice amp

        Have used this amp before for a plug and play and being compact works well for my Alpine receiver

        Verified purchase: YesCondition: NewSold by: blueyedguy3333

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