Infinity Kappa Four vs Kicker 40KX400.4

 
Infinity Kappa Four
Out of Stock 
$449.99
  • 300 watts RMS x 2 in bridged mode
  • variable high-pass/low-pass filters
  • preamp and speaker-level inputs
Add to Cart
Kicker 40KX400.4
In Stock 
$279.99
  • 200 watts RMS x 2 bridged at 4 ohms
  • preaamp and speaker-level inputs
  • variable high- and low-pass filters
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Infinity Kappa FourKicker 40KX400.4
RMS Power Output (Wt x Channels)
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125 x 4
50 x 4
Peak Power Output (Wt x Channels)
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300 x 4200 x 4
Power at 2 Ohms (Wt x Channels)
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150 x 4100 x 4
Bridged Power (Wt x Channels)
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300 x 2200 x 2
Minimum Impedance Bridged
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44
Minimum Impedance Unbridged
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22
Best Frequency Response
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10-75k Hz10-20k Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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85 dB75 dB
Input Voltage
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14.4v14.4v
Features Infinity Kappa FourKicker 40KX400.4
Amplifier Class
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DD
Low-Pass Crossover Frequency
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32-320 Hz10-5,000 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct24 dB/octave
High-Pass Crossover Frequency
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32-320 Hz10-5,000 Hz
High-Pass Slope (dB/octave)
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12 dB/oct24 dB/octave
Bass Boost
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0-12 dB0-18 dB
Bass Boost Frequency
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50 Hz40 Hz
Fan Cooled
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NoNo
Fuse Rating
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8080
Speaker Level Inputs
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RCA (adapter req)RCA
Preamp Outputs
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No1 pair
Width (inches)
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14-5/811-3/16
Height (inches)
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1-3/42-3/16
Depth (inches)
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7-1/88-3/4
Parts Warranty
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3 Years2 Years
Labor Warranty
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3 Years2 Years
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Infinity Kappa Four
Out of Stock 
$449.99
Add to Cart
Kicker 40KX400.4
In Stock 
$279.99
Add to Cart

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.

Video: Car Amplifier ChannelsOne of the first steps in choosing an amplifier for your car audio system is to decide how you intend to use the amplifier, and thus how many channels it should have. This short video gives you a quick overview to help answer that question.