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Adapter Kits

An adapter kit is a set of connectors used to join multiple electronics. They can be used for computers, monitors, speakers, headphones, and more. Browse the top-ranked list of adapter kits below along with associated reviews and opinions. 

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  1. Metra - Antenna Adapter for Select 2016-2021 Honda - Black

    SKU: J7RX7YJVY9

    Product Description

    A black antenna adapter kit that preserves radio functionality when installing aftermarket audio systems in select vehicles.
    See all Antennas & Adapters
    Your price for this item is $34.99

  2. Metra - Speaker Adapter Kit for Jeep Wrangler 1997-2006 Vehicles - Black

    SKU: J7RX7Y846K

    Product Description

    A black ABS adapter kit enabling easy speaker installation and seamless wiring for Jeep Wrangler 1997-2006.
    See all Speaker & Subwoofer Accessories & Installation Parts
    Your price for this item is $19.99

  3. Maestro - APX-S8-GM4 Dash & Wiring Kit - Black

    SKU: JXC4YHZSJW

    Product Description

    A black dash and wiring kit enabling seamless installation of 8" aftermarket stereos with factory controls.
    See all Dash Installation Kits
    Your price for this item is $229.99
    Save $50
    The previous price was $279.99

  4. Maestro - APX-S8-GM2 Dash & Wiring Kit - Black

    SKU: JXC4YHZPFQ

    Product Description

    A black dash and wiring kit enabling seamless integration of aftermarket stereos while retaining factory controls.
    See all Dash Installation Kits
    Your price for this item is $229.99
    Save $50
    The previous price was $279.99

  5. Metra - Antenna Adapter for Select 2016-2021 Honda Civic - Black

    SKU: J7RX7YJVL6

    Product Description

    A black antenna adapter that enables AM/FM radio retention when upgrading your 2016-2021 Honda Civic stereo.
    See all Deck Accessories & Installation Parts
    Your price for this item is $20.99
    Save $4
    The previous price was $24.99

  6. Metra - Speaker Mount Kit for Select 2006-2020 Honda Vehicles - Black

    SKU: J7RX7Y8498

    Speaker install kit...This instal kit worked perfectly. First time using one save a lot of time and headaches.

    Product Description

    A black ABS adapter kit that enables easy aftermarket speaker installation in select 2006-2020 Honda vehicles.
    See all Car Speaker Brackets
    Your price for this item is $19.99

  7. Metra - Dash Kit for Select 2000-2006 BMW X5 DDIN - Black

    SKU: J7RX7LK4YV

    Product Description

    A black dash kit enabling seamless aftermarket radio installation in select 2000-2006 BMW X5 vehicles.
    See all Deck Harnesses
    Your price for this item is $19.99
    Save $3
    The previous price was $22.99

  8. Power Extender Kit (PEK) – C-wire adapter for ecobee Smart Thermostats - White

    SKU: JXC53VP3SK

    Product Description

    A white adapter enabling smart thermostat installation in homes without a common wire (C-wire).
    See all Smart Thermostats
    Your price for this item is $24.99

  9. Metra - Combo Speaker Mounting Kit for Select Subaru and Toyota 2003-2020 Vehicles - Black

    SKU: J7RX7Y849Z

    Product Description

    A black adapter kit that enables easy speaker installation and wiring integration for select Subaru and Toyota vehicles.
    See all Car Speaker Brackets
    Your price for this item is $19.99

  10. Lynx - Electrical Adapter Kit - Black

    SKU: J3GTFP26P8

    Product Description

    A black electrical adapter kit enabling compatibility between 2010-2012 grills and earlier outdoor accessories.
    See all Grill Parts
    Your price for this item is $124.00
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.