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  2. Kenwood - Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black

    Model: KAC-511
    SKU: 6330947
    Your price for this item is $199.99

  3. Pioneer - 4-Channel Class D Amplifier - Black

    Model: GM-DX874
    SKU: 6321734
    Your price for this item is $239.99
    The previous price was $269.99

  4. Kenwood - Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black

    Model: KAC-314
    SKU: 6330250
    Your price for this item is $199.99

  5. KICKER - CX 400W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black

    Model: 46CXA4001
    SKU: 6333354
    Your price for this item is $199.99

  6. KICKER - CX 800W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Gray

    Model: 46CXA8001
    SKU: 6333358
    Your price for this item is $299.99

  7. AudioControl - 800W Monoblock Class D Amplifier - Black

    Model: LC-1.800
    SKU: 6320226
    Your price for this item is $351.99
    Clearance
    The regular price is $439.99

  8. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black

    Model: KTP-445U
    SKU: 4769803
    Your price for this item is $289.99

  9. Alpine - S-Series Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black

    Model: S2-A36F
    SKU: 6542077
    Your price for this item is $249.99

  10. Kenwood - 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier with Variable Crossovers - Gray

    Model: KAC-M1814
    SKU: 6330252
    Your price for this item is $169.99
  11. Sponsored

  12. KICKER - CX 1200W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black

    Model: 46CXA12001
    SKU: 6333356
    Your price for this item is $399.99

  13. KICKER - CX 1800W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Gray

    Model: 46CXA18001
    SKU: 6333348
    Your price for this item is $499.99

  14. Alpine - KTA-200M - Black

    Model: KTA-200M
    SKU: 6425387
    Your price for this item is $199.99

  15. Pioneer - 1-Channel Class D Mono Amplifier - Black

    Model: GM-DX871
    SKU: 6321733
    Your price for this item is $249.99

  16. KICKER - KEY 200W Multichannel Amplifier with High-Pass Crossover - Black

    Model: 47KEY2004
    SKU: 6409449
    Your price for this item is $279.99

  17. Alpine - S-Series Class D Mono Amplifier with Variable Crossovers - Black

    Model: S2-A60M
    SKU: 6542078
    Your price for this item is $249.99

  18. Hifonics - COLOSSUS PRO 3000W Mono Block Car Audio Amplifier - Black

    Model: HAC-3000.1D
    SKU: 6584047
    Your price for this item is $339.99

  19. KICKER - CX 360W Class AB Bridgeable Multichannel Amplifier with Variable Crossovers - Black

    Model: 46CXA3604
    SKU: 6333355
    Your price for this item is $229.99

  20. Hifonics - COLOSSUS PRO 3000W Four-Channel Car Audio Amplifier - Black

    Model: HAC-3000.4D
    SKU: 6584036
    Your price for this item is $449.99
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Buying a car amplifier.

Choosing the best amplifier for cars of all types.

Most audio systems—including professional audio, home audio and car audio—rely on some form of amplification. An audio amplifier boosts the electrical signal coming from your audio receiver and increases the power sent to the speakers, which improves the overall power and quality of your sound.

Your car stereo receiver coordinates the audio inputs in your car’s sound system, like radio signals and Bluetooth connections, and most factory-installed systems include a small amplifier. However, if you are looking into tips for upgrading your car audio, a dedicated car amp provides loud and pristine audio.

Choosing the best car amp starts with deciding how many speakers you want to amplify. Amps are categorized by the number of channels they power. A mono subwoofer amplifier powers a single speaker while a 2-channel amp powers two speakers, and so on. Powering a sound system with four speakers and one subwoofer requires a 5-channel amp. If this is all new information to you, it would be wise to consult with Best Buy’s car electronic installation team to figure out what is best for your car.

Benefits of a subwoofer and amp combo.

Subwoofers are designed to produce low bass frequencies, and they require significantly more power than most factory in-dash receivers can provide. Therefore, an additional car amplifier is required when installing a subwoofer in your car speaker system. For simplicity, you can choose a powered subwoofer with an integrated amplifier. But, if you want to increase power to more speakers than just the subwoofer, you should invest in an amplifier that connects to your overall car stereo system.

If you feel up to installing your new amplifier and subwoofer on your own, review Best Buy’s collection of car electronic installation parts and accessories to find what you will need. Alternatively, you can use Best Buy’s car audio installation services to cover the job for you.

When you make the decision to upgrade your car audio, you will be improving your car’s entire entertainment system. A car amplifier can take your sound system from med