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Frequently Compared Car Amplifiers

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Kicker 44KXA400.4
4-channel car amplifier — 50 watts RMS x 4
In stock
4 reviews

$299.99 Sale: -$30.00 off

$269.99
  • 200 watts RMS x 2 bridged at 4 ohms
  • preamp and speaker-level inputs
  • variable high-, low-, and bandpass filters
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Kicker 42PXA3004
Compact 4-channel amplifier — 50 watts RMS x 4
In stock
20 reviews

$199.99 Sale: -$20.00 off

$179.99
  • extremely compact, weather-resistant amp for small cars, ATVs, boats, etc.
  • 150 watts RMS x 2 at 4 ohms bridged
  • switchable high-pass filter
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Kenwood KAC-M3004
Compact 4-channel car amplifier — 50 watts RMS x 4
New Stock
  • 150 watts x 2 bridged at 4 ohms
  • variable high- and low-pass filters
  • preamp and speaker-level inputs
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Rockford Fosgate Punch P600X4
4-channel car amplifier — 75 watts RMS x 4
In stock
6 reviews
$369.99
  • 300 watts RMS x 2 at 4 ohms
  • C.L.E.A.N. gain system includes setup CD and clip lights
  • variable PEQ2 bass/treble boost
       
Condition New Stock New Stock New Stock New Stock
Performance Kicker 44KXA400.4 Kicker 42PXA3004 Kenwood KAC-M3004 Rockford Fosgate Punch P600X4
RMS Power Output (Wt x Channels) 50 x 4
50 x 4
50 x 4
75 x 4
Peak Power Output (Wt x Channels) --- N/A --- N/A
Power at 2 Ohms (Wt x Channels) 100 x 4 75 x 4 75 x 4 150 x 4
Bridged Power (Wt x Channels) 200 x 2 150 x 2 150 x 2 300 x 2
Minimum Impedance Bridged 4 4 4 4
Minimum Impedance Unbridged 2 2 2 2
Best Frequency Response 10-20k Hz 10-20k Hz 20-20k Hz 20-20k Hz
THD at Rated RMS Power 1% 1% 1% 1%
Signal to Noise Ratio 75 dB 95 dB 87 dB 85 dB
Input Voltage 14.4v --- 14.4v 14.4v
Features Kicker 44KXA400.4 Kicker 42PXA3004 Kenwood KAC-M3004 Rockford Fosgate Punch P600X4
Amplifier Class D Not Given D AB
Low-Pass Crossover Frequency 40-5000 Hz N/A 50-200 Hz 50-250 Hz
Low-Pass Slope (dB/octave) 24 dB/octave N/A 12 dB/octave 12 dB/octave
High-Pass Crossover Frequency 10-500 Hz 60, 80, or 120Hz 50-200 Hz 50-250 Hz
High-Pass Slope (dB/octave) 24 dB/octave 24 dB/octave 12 dB/octave 12 dB
Bass Boost 0-18 dB No No 0-18 dB
Bass Boost Frequency 40 Hz N/A N/A 45 Hz
Fan Cooled No No No No
Fuse Rating 100 40 30 100
Speaker Level Inputs RCA Harness (cut RCAs) RCA RCA
Preamp Outputs 1 pair No No 1 pair
Width (inches) 11-1/4 7-13/16 7-5/8 13-3/8
Height (inches) 2-3/16 1-9/16 1-13/16 2-7/16
Depth (inches) 8-1/8 2-9/16 3-7/8 8-13/16
Parts Warranty 2 Years 2 Years 1 Year 1 Year
Labor Warranty 2 Years 2 Years 1 Year 1 Year
  Owner's Manual Owner's Manual Owner's Manual Owner's Manual
Hands-on Research Hands-on Research Hands-on Research Hands-on Research
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Kicker 44KXA400.4
4-channel car amplifier — 50 watts RMS x 4
In stock
4 reviews

$299.99 Sale: -$30.00 off

$269.99
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Kicker 42PXA3004
Compact 4-channel amplifier — 50 watts RMS x 4
In stock
20 reviews

$199.99 Sale: -$20.00 off

$179.99
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Kenwood KAC-M3004
Compact 4-channel car amplifier — 50 watts RMS x 4
New Stock
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Rockford Fosgate Punch P600X4
4-channel car amplifier — 75 watts RMS x 4
In stock
6 reviews
$369.99
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