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Frequently Compared Car Amplifiers

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Kicker 43DXA250.1
Mono subwoofer amplifier — 250 watts RMS x 1 at 2 ohms
In stock
6 reviews
$139.95
  • 125 watts RMS x 1 at 4 ohms
  • Class D design
  • preamp and speaker-level inputs
Discontinued item

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Kicker 46CXA400.1
CX Series mono subwoofer amplifier — 400 watts RMS x 1 at 1 ohm

This item is no longer available

7 reviews
  • 150 watts RMS x 1 at 4 ohms
  • 300 watts RMS x 1 at 2 ohms
  • preamp and speaker-level inputs
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Kicker 42PXA2001
Compact mono subwoofer amplifier — 200 watts RMS x 1 at 1/2 ohm
In stock
4 reviews

$149.99 Sale: -$15.00 off

$134.99
  • extremely compact, weather-resistant amp for small cars, ATVs, boats, etc.
  • 50 watts RMS x 1 at 2 ohms
  • switchable low-pass filter
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Infinity Primus 3000A
Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms
In stock
2 reviews

$179.95 Sale: -$36.00 off

$143.95
  • variable low-pass filter and bass boost
  • variable phase adjustment
  • preamp and speaker-level inputs
       
Condition New Stock New Stock New Stock New Stock
Performance Kicker 43DXA250.1 Kicker 46CXA400.1 Kicker 42PXA2001 Infinity Primus 3000A
RMS Power Output (Wt x Channels) 125 x 1
150 x 1
25 x 1
Peak Power Output (Wt x Channels) N/A 800 x 1 N/A 600 x 1
Power at 2 Ohms (Wt x Channels) 250 x 1 300 x 1 50 x 1 300 x 1
Bridged Power (Wt x Channels) N/A N/A N/A ---
Minimum Impedance Bridged N/A N/A N/A ---
Minimum Impedance Unbridged 2 1 0.5 2
Best Frequency Response 25-200 Hz 25-200 Hz 25-120 Hz 10-320 Hz
THD at Rated RMS Power 1% 1% 1% 1%
Signal to Noise Ratio 75 dB 75 dB 95 dB 75 dB
Input Voltage 14.4v 14.4v --- 14.4v
Features Kicker 43DXA250.1 Kicker 46CXA400.1 Kicker 42PXA2001 Infinity Primus 3000A
Amplifier Class D D Not Given D
Low-Pass Crossover Frequency 50-200 Hz 50-200 Hz 60, 80, 100, 120Hz 32-320 Hz
Low-Pass Slope (dB/octave) 12 dB/octave 12 dB/octave 24 dB/oct 12 dB/oct
High-Pass Crossover Frequency N/A N/A N/A N/A
High-Pass Slope (dB/octave) N/A N/A N/A N/A
Bass Boost 0-12 dB 0-6 dB 0, +6 dB 0-12 dB
Bass Boost Frequency 40 Hz 40 Hz 40 Hz 40-100 Hz
Fan Cooled No No No No
Fuse Rating 40 40 15 30
Speaker Level Inputs RCA RCA Harness Harness
Preamp Outputs 1 pair 1 pair No No
Width (inches) 8-3/16 8-1/2 4-3/4 9-9/16
Height (inches) 2-3/8 2-3/8 1-5/8 2-1/16
Depth (inches) 7-1/8 6-3/4 3-7/16 5-3/4
Parts Warranty 2 Years 2 Years 2 Years 1 Year
Labor Warranty 2 Years 2 Years 2 Years 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 43DXA250.1
Mono subwoofer amplifier — 250 watts RMS x 1 at 2 ohms
In stock
6 reviews
$139.95
Remove

Adding...
Kicker 46CXA400.1
CX Series mono subwoofer amplifier — 400 watts RMS x 1 at 1 ohm

This item is no longer available

7 reviews
Remove

Adding...
Kicker 42PXA2001
Compact mono subwoofer amplifier — 200 watts RMS x 1 at 1/2 ohm
In stock
4 reviews

$149.99 Sale: -$15.00 off

$134.99
Remove

Adding...
Infinity Primus 3000A
Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms
In stock
2 reviews

$179.95 Sale: -$36.00 off

$143.95
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