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Alpine KTP-445A Power Pack vs Rockford Fosgate Punch P1000X4D

 
Alpine KTP-445A Power Pack
In Stock 
$129.99
  • dimensions: 7-7/8"W x 1-1/2"H x 2-9/16"D
  • compact plug-and-play amplifier for Alpine in-dash receivers
Add to Cart
Rockford Fosgate Punch P1000X4D
DISCONTINUED 
$279.99
  • full-range Class-D amplifier design
  • 500 watts RMS x 2 bridged at 4 ohms
  • variable high- and low-pass filters
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackRockford Fosgate Punch P1000X4D
RMS Power Output (Wt x Channels)
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45 x 4
150 x 4
Peak Power Output (Wt x Channels)
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90 x 4760 x 4
Power at 2 Ohms (Wt x Channels)
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N/A250 x 4
Bridged Power (Wt x Channels)
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N/A500 x 2
Minimum Impedance Bridged
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N/A4
Minimum Impedance Unbridged
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42
Best Frequency Response
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20-20k Hz10-35k Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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84 dB85 dB
Input Voltage
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14.4v14.4v
Features Alpine KTP-445A Power PackRockford Fosgate Punch P1000X4D
Amplifier Class
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DD
Low-Pass Crossover Frequency
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N/A50-500 Hz
Low-Pass Slope (dB/octave)
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N/A12 dB/oct
High-Pass Crossover Frequency
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N/A50-500 Hz
High-Pass Slope (dB/octave)
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N/A12 dB/oct
Bass Boost
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No0-18 dB
Bass Boost Frequency
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N/A45 Hz
Fan Cooled
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NoNo
Fuse Rating
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15100A
Speaker Level Inputs
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HarnessNo
Preamp Outputs
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No1 pair
Width (inches)
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7-7/811-15/16
Height (inches)
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1-1/22-3/16
Depth (inches)
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2-9/168-5/16
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Alpine KTP-445A Power Pack
In Stock 
$129.99
Add to Cart
Rockford Fosgate Punch P1000X4D
DISCONTINUED 
$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.

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