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RMS Power/Channel More Information
The amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

General Features

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Some amps include circuitry that allows you to boost the bass output, ranging from a knob or button that provides a set amount of boost, to a built-in parametric equalizer with many possible configurations and adjustments.
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Preamp outputs are RCA outputs that let you pass the preamp audio signal from one amp to additional amplifiers.
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Useful if you're adding an amp to a factory radio, or don't have enough preamp outputs on your aftermarket receiver. Speaker Level Input Types: Harness, Speaker Terminal, RCA.

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All Car Amplifiers

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  • Kicker 11DX125.2

    2-channel car amplifier — 30 watts RMS x 2

    IN STOCK

    3 people say 

    • 125 watts RMS x 1 bridged at 4 ohms
    • selectable high- and low-pass filters
    • Class AB amp technology

    Free Shipping

    $89.99 After $10.00 Price Break

    Open Box: $80.99
  • Kicker 11DX200.4

    4-channel car amplifier — 25 watts RMS x 4

    IN STOCK

    • 100 watts RMS x 2 bridged at 4 ohms
    • selectable high- and low-pass filters
    • Class D amp technology

    Free Shipping

    $139.99 After $10.00 Price Break

  • Kicker 11DX250.1

    Mono subwoofer amplifier — 250 watts RMS x 1 at 2 ohms

    IN STOCK

    12 people say 

    • 140 watts RMS x 1 at 4 ohms (250 watts RMS x 1 at 2 ohms)
    • low-pass and subsonic filters
    • preamp and speaker-level inputs

    Free Shipping

    $139.99 After $10.00 Price Break

    Open Box: $125.99
  • Kicker 12CX300.1

    Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms

    OUT OF STOCK

    2 people say 

    Expected: 5/27/2013
    Reserve yours today
    • 150 watts RMS x 1 at 4 ohms
    • includes hardware for vertical mounting
    • preamp and speaker-level inputs

    Free Shipping

    $149.99

  • Kicker 11DX300.2

    2-channel car amplifier — 75 watts RMS x 2

    IN STOCK

    1 person says 

    • 300 watts RMS x 1 bridged at 4 ohms
    • variable high- and low-pass filters
    • Class AB amp technology

    Free Shipping

    $169.99 After $10.00 Price Break

  • Kicker 12PX100.2

    2-channel amplifier — 50 watts RMS x 2 at 2 ohms

    IN STOCK

    1 person says 

    • extremely compact, weather-resistant amp for small cars, ATVs, boats, etc.
    • selectable high-pass filter
    • 25 watts RMS x 2 at 4 ohms

    Free Shipping

    $169.99 After $30.00 Price Break

    Open Box: $152.99
  • Kicker 12PX200.1

    Mono subwoofer amplifier — 200 watts RMS x 1 at 1/2 ohm

    IN STOCK

    2 people say 

    • extremely compact, weather-resistant amp for small cars, ATVs, boats, etc.
    • 100 watts RMS x 1 at 1 ohm
    • switchable low-pass filter

    Free Shipping

    $169.99 After $30.00 Price Break

    Open Box: $152.99
  • Kicker 11ZX300.1

    Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms

    IN STOCK

    1 person says 

    • 150 watts RMS x 1 at 4 ohms
    • preamp and speaker-level inputs
    • selectable low-pass filter (80 Hz, 24 dB/octave)

    Ships from Manufacturer

    $179.99 After $20.00 Price Break

  • Kicker 40KX200.2

    2-channel car amplifier — 50 watts RMS x 2

    IN STOCK

    • 200 watts RMS x 1 bridged at 4 ohms
    • speaker-level inputs and preamp outputs
    • variable high- and low-pass filters

    Free Shipping

    $179.99

  • Kicker 11PXI50.2

    2-channel amplifier and controller for iPod® or iPhone® — 25 watts RMS x 2 at 2 ohms

    IN STOCK

    3 people say 

    • works in any vehicle with a 12-volt charging system
    • back-lit blue LED wired remote with large rubber buttons
    • weather-resistant

    Free Shipping

    $199.99

  • Kicker 12CX300.4

    4-channel car amplifier — 40 watts RMS x 4

    IN STOCK

    • 150 watts RMS x 2 at 4 ohms
    • includes hardware for vertical mounting
    • preamp and speaker-level inputs

    Free Shipping

    $199.99

  • Kicker 11DX400.4

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    1 person says 

    • 200 watts RMS x 2 bridged at 4 ohms
    • variable high- and low-pass filters
    • Class D amp technology

    Free Shipping

    $229.99 After $20.00 Price Break

  • Kicker 11DX500.1

    Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

    IN STOCK

    1 person says 

    • 275 watts RMS x 1 at 4 ohms
    • preamp and speaker-level inputs
    • variable low-pass filter (50-200 Hz, 18 dB/octave)

    Free Shipping

    $229.99 After $20.00 Price Break

    Open Box: $206.99
  • Kicker 11ZX500.1

    Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

    IN STOCK

    • 250 watts RMS x 1 at 4 ohms
    • preamp and speaker-level inputs
    • variable low-pass filter (50-200 Hz, 24 dB/octave)

    Ships from Manufacturer

    $249.99 After $50.00 Price Break

  • Kicker 12CX600.1

    Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms

    OUT OF STOCK

    Expected: 5/27/2013
    Reserve yours today
    • 300 watts RMS x 1 at 4 ohms
    • includes hardware for vertical mounting
    • preamp and speaker-level inputs

    Free Shipping

    $249.99

  • Kicker 40KX400.1

    Mono subwoofer amplifier — 400 watts RMS x 1 at 2 ohms

    IN STOCK

    • 200 watts RMS x 1 at 4 ohms
    • speaker-level inputs and preamp outputs
    • wired remote included

    Free Shipping

    $279.99

    Open Box: $251.99
  • Kicker 40KX400.4

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    • 200 watts RMS x 2 bridged at 4 ohms
    • preaamp and speaker-level inputs
    • variable high- and low-pass filters

    Free Shipping

    $279.99

  • Kicker IX500.4 [Scratch & Dent]

    4-channel car amplifier — 75 watts RMS x 4

    LOW STOCK

    • 250 watts RMS x 2 bridged
    • full-range Class D design
    • variable high- and low-pass filters

    Free Shipping

    $319.99 After $80.00 Outlet Savings

  • Kicker 11DX1000.1

    Mono subwoofer amplifier — 1000 watts RMS x 1 at 2 ohms

    IN STOCK

    1 person says 

    • 550 watts RMS x 1 at 4 ohms
    • preamp and speaker-level inputs
    • variable low-pass filter (50-200 Hz, 18 dB/octave)

    Free Shipping

    $329.99 After $20.00 Price Break

    Scratch & Dent: $280.49
  • Kicker 11ZX650.4

    4-channel car amplifier — 120 watts RMS x 4

    IN STOCK

    • 325 watts RMS x 2 bridged at 4 ohms
    • preamp and speaker-level inputs
    • variable high- and low-pass filters (50-200 Hz at 12 dB/octave)

    Ships from Manufacturer

    $349.99 After $50.00 Price Break

View page: 1 2 »

Car Amplifier Shopping GuideIf you want your music to be loud, amplifiers are definitely part of the picture. But an amp can do much more than just get other people's attention.

Video: Car Amplifier PowerWe describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.

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