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Infinity Kappa Four vs Rockford Fosgate Punch P500-1bd

 
Infinity Kappa Four
Low 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
Rockford Fosgate Punch P500-1bd
DISCONTINUED 
$269.99
  • 200 watts RMS x 1 at 4 ohms (400 watts x 1 at 2 ohms)
  • variable low-pass filter and subsonic filter
  • 1-ohm stable
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Infinity Kappa FourRockford Fosgate Punch P500-1bd
RMS Power Output (Wt x Channels)
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125 x 4
200 x 1
Peak Power Output (Wt x Channels)
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300 x 42000 x 1
Power at 2 Ohms (Wt x Channels)
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150 x 4400 x 1
Bridged Power (Wt x Channels)
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300 x 2N/A
Minimum Impedance Bridged
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4N/A
Minimum Impedance Unbridged
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21
Best Frequency Response
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10-75k Hz20-250 Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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85 dB80 dB
Input Voltage
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14.4v14.4v
Features Infinity Kappa FourRockford Fosgate Punch P500-1bd
Amplifier Class
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DBD
Low-Pass Crossover Frequency
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32-320 Hz35-250 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct12 dB
High-Pass Crossover Frequency
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32-320 HzN/A
High-Pass Slope (dB/octave)
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12 dB/octN/A
Bass Boost
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0-12 dB0-18 dB
Bass Boost Frequency
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50 Hz45 Hz
Fan Cooled
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NoNo
Fuse Rating
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80100
Speaker Level Inputs
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RCA (adapter req)No
Preamp Outputs
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No1 pair
Width (inches)
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14-5/88-1/2
Height (inches)
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1-3/42-1/4
Depth (inches)
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7-1/810-1/4
Parts Warranty
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3 Years1 Year
Labor Warranty
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3 Years1 Year
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Infinity Kappa Four
Low Stock 
$449.99
Add to Cart
Rockford Fosgate Punch P500-1bd
DISCONTINUED 
$269.99
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.