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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.

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All Car Amplifiers

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  • Sound Ordnance™ M-4050

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    23 people say 

    • 180 watts RMS x 2 at 4 ohms bridged
    • variable high- and low-pass filters
    • preamp inputs and outputs

    Free Shipping

    $109.99 After $30.00 Price Break

  • Clarion XC1410  New

    Compact 4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    • 75 watts RMS x 4 at 2 ohms (non-bridgable)
    • preamp and speaker-level inputs
    • dimensions: 8-1/4"W x 1-9/16"H x 2-3/4"D

    Free Shipping

    $129.99

  • Sound Ordnance™ M-4075

    4-channel car amplifier — 75 watts RMS x 4

    IN STOCK

    42 people say 

    • 240 watts RMS x 2 at 4 ohms bridged
    • variable high- and low-pass filters
    • preamp inputs and outputs

    Free Shipping

    $129.99 After $20.00 Price Break

    Open Box: $116.99
  • MTX Terminator TN400/4

    4-channel car amplifier — 45 watts RMS x 4 at 4 ohms

    IN STOCK

    5 people say 

    • 150 watts RMS x 2 bridged
    • selectable full/high-pass/low-pass filters
    • fan cooled

    Free Shipping

    $132.99

  • MTX THUNDER75.4

    4-channel car amplifier — 75 wattts RMS x 4

    IN STOCK

    2 people say 

    • 200 watts RMS x 2 bridged at 4 ohms
    • variable high-pass filter on front channels
    • variable high- and low-pass filters on rear channels

    Free Shipping

    $134.99

  • 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

  • Rockford Fosgate Prime R300-4

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    8 people say 

    • 150 watts RMS x 2 bridged
    • fixed high-pass and variable low-pass filters
    • preamp inputs

    Free Shipping

    $139.99 After $60.00 Price Break

  • Alpine KTP-445U Power Pack

    Upgrade any car radio to 45 watts RMS X 4

    IN STOCK

    61 people say 

    • runs off same power circuit as receiver
    • compact amplifier with universal plug for in-dash receivers
    • 45 watts x 4 at 4 ohms

    Free Shipping

    $149.99

    Scratch & Dent: $127.49
  • Alpine MRP-F300

    V-Power Series 4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    72 people say 

    • 150 watts RMS x 2 bridged
    • variable low- and high-pass filters
    • selectable bass boost

    Free Shipping

    $149.99 After $50.00 Price Break

  • JVC KS-AX3204

    DRVN Series 4-channel car amplifier — 60 watts RMS x 4

    IN STOCK

    • 150 watts RMS x 2 bridged at 4 ohms
    • preamp and speaker-level inputs
    • switchable high- and low-pass filters

    Free Shipping

    $149.99

    Open Box: $134.99
  • Kenwood KAC-2404S

    4-channel car amplifier — 40 watts RMS x 4

    IN STOCK

    4 people say 

    • 130 watts RMS x 2 bridged
    • variable low-pass and fixed high-pass filters
    • preamp and speaker-level inputs

    Free Shipping

    $149.99

  • Sound Ordnance™ M-4100

    4-channel car amplifier — 100 watts RMS x 4

    IN STOCK

    25 people say 

    • 270 watts RMS x 2 at 4 ohms bridged
    • variable high- and low-pass filters
    • preamp inputs

    Free Shipping

    $159.99 After $20.00 Price Break

    Scratch & Dent: $135.99
  • MTX Road Thunder RT604

    4-channel car amplifier — 60 watts RMS x 4

    IN STOCK

    1 person says 

    • 180 watts RMS x 2 bridged
    • variable high- and low-pass filters
    • preamp and speaker-level inputs

    Free Shipping

    $169.99

  • MTX TH90.4

    TH Series 4-channel amplifier — 60 watts RMS X 4

    IN STOCK

    • 180 watts RMS x 2 bridged output at 4 ohms
    • variable high-pass/low-pass crossovers (40-400 Hz at 12 dB/octave)
    • preamp and speaker-level inputs

    Free Shipping

    $169.99 After $130.00 Price Break

  • Rockford Fosgate R250X4

    Prime Series 4-channel car amplifier — 40 watts RMS x 4

    IN STOCK

    1 person says 

    • 125 watts RMS x 2 bridged
    • variable high- and low-pass filters
    • preamp and speaker-level inputs
  • Pioneer GM-6500F

    4-channel car amplifier — 60 watts RMS x 4

    IN STOCK

    3 people say 

    • 180 watts RMS x 2 bridged
    • 4-channel selectable high- and low-pass filters
    • preamp- and speaker-level inputs

    Free Shipping

    $179.99

  • Alpine MRV-F300

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    • 150 watts RMS x 2
    • variable low- and high-pass filters
    • selectable bass boost

    Free Shipping

    $199.99

    Open Box: $179.99
  • JBL GTO-504EZ

    4-channel car amplifier — 50 watts RMS x 4

    IN STOCK

    2 people say 

    • 150 watts RMS x 2 bridged at 4 ohms
    • Simple Setup System with test tone CD for perfect gain setting
    • preamp outputs and speaker-level inputs

    Free Shipping

    $199.99

  • Kenwood KAC-8405

    4-channel car amplifier — 60 watts RMS x 4

    IN STOCK

    13 people say 

    • 180 watts RMS x 2 bridged
    • 50-200 Hz variable high- and low-pass filters
    • dual cooling fans

    Free Shipping

    $199.99

    Open Box: $179.99
  • 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

View page: 1 2 3 4 »

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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