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    PAC - Amplifier Integration Interface for Select Ford Vehicles with 8.4- Radio and Sony System - Black/Blue - Image 1
    PAC
    4.5 (212 reviews)

    PAC - Amplifier Integration Interface for Select Ford Vehicles with 8.4- Radio and Sony System - Black/Blue

    GTIN 609098817042
    $314.99 $419.99
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    Free Standard Shipping — Ships free to anywhere in the U.S. Ships from Baton Rouge. Total Estimated Delivery: 4 to 7 business days.
    Simplify amplifier installation in your Ford vehicle with this Amplifier Integration Interface by PAC. The AP4-FD21 eliminates the need for DSP and summing devices by providing a 6-channel preamp output so you can upgrade your amplifier without modifying the factory radio. This amplifier integration interface retains all audio from factory features and includes plug-and-play connections for easy installation.

    Free standard shipping on all U.S. orders. Orders are processed within 1-2 business days and typically arrive within 4-7 business days depending on your location.

    Not satisfied? Return your item within 28 days of delivery for a full refund. Items must be unused and in original packaging.

    We stand behind every product we sell with secure checkout, responsive customer support, and fast U.S.-based shipping — so you can buy with confidence.

    Customer Reviews

    212 verified reviews from real customers

    4.5/5
    212 verified reviews
    5★
    78%
    4★
    14%
    3★
    5%
    2★
    2%
    1★
    1%
    J
    Jessica C.
    Nov 5, 2026
    Verified Buyer
    ★★★★★
    Works perfectly

    Been using it for a few weeks now and it's holding up great. Easy setup and clear instructions included.

    E
    Emily P.
    Jan 1, 2026
    Verified Buyer
    ★★★★★
    Great communication

    Reached out with a question before ordering and got a clear, helpful response quickly.

    O
    Olivia C.
    Nov 11, 2026
    Verified Buyer
    ★★★★★
    Convenient and easy

    Ordering and delivery were both straightforward with no unexpected issues along the way.

    A
    Amanda T.
    May 17, 2026
    Verified Buyer
    ★★★★★
    Smooth experience

    Checkout was quick, tracking updates were accurate, and the item arrived in good condition.

    S
    Sarah W.
    Sep 9, 2026
    Verified Buyer
    ★★★★★
    Fast shipping

    Shipping was quicker than I expected and everything was packaged securely. Very satisfied overall.

    A
    Ashley T.
    May 17, 2026
    Verified Buyer
    ★★★★★
    Works perfectly

    Been using it for a few weeks now and it's holding up great. Easy setup and clear instructions included.

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