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Best Buy customers often prefer the following products when searching for car radio adapter.

A car radio adapter is a device that allows you to use your MP3 player or smartphone with your car's existing stereo system. These adapters can be used in any vehicle that has an auxiliary jack. Browse the top-ranked list of car radio adapters below along with associated reviews and opinions.

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  1. Install Bay - Snap-In USB and AUX Adapter with 4.92' Extension Cable - Black - Angle_Zoom
    Top comment

    "USB Aux Adapter...Make your older vehicle feel like they have that brand new technology to be able to use your phone hands free...Install Bay - Snap-In USB and AUX Adapter...On my deck, the USB port also connects to my phones for Android Auto or Apple Car play capabilities."

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    Product Description

    Charge up your smartphone or tablet while you're on the road with this Install Bay USB and aux port adapter. The compact unit works with your cigarette lighter to provide 2.1 amps of power for consistent charging. This Install Bay USB and aux port adapter is small enough to fit into your bag or glove compartment for effortless portability.
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    Top comment

    "USB Aux Adapter...Make your older vehicle feel like they have that brand new technology to be able to use your phone hands free...Install Bay - Snap-In USB and AUX Adapter...On my deck, the USB port also connects to my phones for Android Auto or Apple Car play capabilities."

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    Product Description

    Charge up your smartphone or tablet while you're on the road with this Install Bay USB and aux port adapter. The compact unit works with your cigarette lighter to provide 2.1 amps of power for consistent charging. This Install Bay USB and aux port adapter is small enough to fit into your bag or glove compartment for effortless portability.
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    Your price for this item is $19.99
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  2. Maestro - Adapter for OEM Satellite Radio Antennas - Black/Gray - Front_Zoom
    Top comment

    "Adapter...Excellent purchase, fits perfectly with my XM Radio adapter...Works Well with new car stereo....Excellent adapter to help hook up my new radio. Does the job."

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    Product Description

    Eliminate the need for an aftermarket Satellite Radio antenna with this Maestro HRN-ANT-SAT1 adapter, which allows you to use your factory satellite antenna with an aftermarket Satellite Radio. The SMB connector enables versatile use.
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    Top comment

    "Adapter...Excellent purchase, fits perfectly with my XM Radio adapter...Works Well with new car stereo....Excellent adapter to help hook up my new radio. Does the job."

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    Product Description

    Eliminate the need for an aftermarket Satellite Radio antenna with this Maestro HRN-ANT-SAT1 adapter, which allows you to use your factory satellite antenna with an aftermarket Satellite Radio. The SMB connector enables versatile use.
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    Your price for this item is $21.99
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  3. iDatalink - Maestro Car Radio Adapter Cable - Black - Front_Zoom
    Top comment

    "Works great when installing new radio. No splicing or cutting....Was simple to use when i replaced my factory radio. Cheers on the autotechs who installed it, thwy do great work"

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    Product Description

    Connect a satellite radio to a Toyota antenna with this Maestro adapter. This kit includes two adapters that connect to aftermarket satellite radio tuners, letting you access all your favorite satellite channels in your car. Use this Maestro adapter to connect to the Toyota GPS antenna for smooth integration with satellite services.
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    Top comment

    "Works great when installing new radio. No splicing or cutting....Was simple to use when i replaced my factory radio. Cheers on the autotechs who installed it, thwy do great work"

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    Product Description

    Connect a satellite radio to a Toyota antenna with this Maestro adapter. This kit includes two adapters that connect to aftermarket satellite radio tuners, letting you access all your favorite satellite channels in your car. Use this Maestro adapter to connect to the Toyota GPS antenna for smooth integration with satellite services.
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    Your price for this item is $21.99
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  4. KICKER - K-Series Stereo Line-Output Converter with Remote Turn-On Output - Black - Front_Zoom
    Top comment

    "Factory radio...I didn’t have to change my factory radio. I recommend this to any one wanting to keep their factory radio....Retain factory radio"

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    Product Description

    Add an amplifier to nearly any radio with the KISLOC2 Stereo Line-Out Converter. Experience true sonic accuracy at any volume level with all the sparkling highs and thunderous lows of your original audio. KISLOC2 Stereo Line-Output Converter Unlike traditional LOCs the KISLOC2 is designed without inductors to deliver a completely flat frequency response at all volume levels. Using nothing more than your factory speaker wires the innovative KISLOC2 automatically converts the speaker signal into both an RCA signal and a powerful 100 milli-amp 12-volt remote wire using DC offset. Powerful enough to turn on multiple amplifiers the 12-volt remote wire delivers plenty of power without hunting for a switched 12-volt power source. Accepts up to 55 watts (16 volts) of input signal Fully compatible with standard radios and most smart radios* Delivers up to an 8-volt output signal Flat 20Hz-20kHz frequency range at all volume levels Includes a powerful 100 milli-amp remote turn-on wire. No 12V power source needed! LED indicator for DC offset turn-on *Amplifier output of smart radio must have 60 impedance or lower. What's in the Box 46KISLOC2 line output converter Owner's manual Specifications Accepts up to 55 watts (16 volts) of input signal Fully compatible with standard radios and most smart radios* Delivers up to an 8-volt output signal Flat 20Hz-20kHz frequency range at all volume levels Includes a powerful 100 milli-amp remote turn-on wire. No 12V power source needed! LED indicator for DC offset turn-on
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    Top comment

    "Factory radio...I didn’t have to change my factory radio. I recommend this to any one wanting to keep their factory radio....Retain factory radio"

    See all customer reviews

    Product Description

    Add an amplifier to nearly any radio with the KISLOC2 Stereo Line-Out Converter. Experience true sonic accuracy at any volume level with all the sparkling highs and thunderous lows of your original audio. KISLOC2 Stereo Line-Output Converter Unlike traditional LOCs the KISLOC2 is designed without inductors to deliver a completely flat frequency response at all volume levels. Using nothing more than your factory speaker wires the innovative KISLOC2 automatically converts the speaker signal into both an RCA signal and a powerful 100 milli-amp 12-volt remote wire using DC offset. Powerful enough to turn on multiple amplifiers the 12-volt remote wire delivers plenty of power without hunting for a switched 12-volt power source. Accepts up to 55 watts (16 volts) of input signal Fully compatible with standard radios and most smart radios* Delivers up to an 8-volt output signal Flat 20Hz-20kHz frequency range at all volume levels Includes a powerful 100 milli-amp remote turn-on wire. No 12V power source needed! LED indicator for DC offset turn-on *Amplifier output of smart radio must have 60 impedance or lower. What's in the Box 46KISLOC2 line output converter Owner's manual Specifications Accepts up to 55 watts (16 volts) of input signal Fully compatible with standard radios and most smart radios* Delivers up to an 8-volt output signal Flat 20Hz-20kHz frequency range at all volume levels Includes a powerful 100 milli-amp remote turn-on wire. No 12V power source needed! LED indicator for DC offset turn-on
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    Your price for this item is $29.99
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  5. Maestro - Factory USB to Male USB Adapter for Select Subaru Vehicles - Black - Front_Zoom

    Product Description

    Keep your aftermarket radio fully connected with this iDatalink Maestro Subaru USB adapter. Connect one end of this adapter to your vehicle and the other to the rear of an aftermarket radio to maintain full USB functionality. This iDatalink Maestro Subaru USB adapter can also retain the functionality of the 3.5mm auxiliary port for extra audio input options.
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    Product Description

    Keep your aftermarket radio fully connected with this iDatalink Maestro Subaru USB adapter. Connect one end of this adapter to your vehicle and the other to the rear of an aftermarket radio to maintain full USB functionality. This iDatalink Maestro Subaru USB adapter can also retain the functionality of the 3.5mm auxiliary port for extra audio input options.
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    Your price for this item is $19.99
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