Alpine KTP-445A Power Pack vs Rockford Fosgate Power T500X1br

 
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
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Rockford Fosgate Power T500X1br
In Stock 
 
$549.99
  • 175 watts RMS x 1 at 4 ohms (300 watts RMS x 1 at 2 ohms)
  • C.L.E.A.N. gain system includes clip lights and setup CD
  • variable Punch EQ bass boost
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Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackRockford Fosgate Power T500X1br
RMS Power Output (Wt x Channels)
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45 x 4
175 x 1
Peak Power Output (Wt x Channels)
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90 x 4201 x 1
Power at 2 Ohms (Wt x Channels)
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N/A300 x 1
Bridged Power (Wt x Channels)
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N/AN/A
Minimum Impedance Bridged
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N/AN/A
Minimum Impedance Unbridged
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21
Best Frequency Response
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20-20k Hz20-250 Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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84 dB90 dB
Input Voltage
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14.4v14.4v
Features Alpine KTP-445A Power PackRockford Fosgate Power T500X1br
Amplifier Class
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DBR
Low-Pass Crossover Frequency
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N/A50-250 Hz
Low-Pass Slope (dB/octave)
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N/A12 dB/octave
High-Pass Crossover Frequency
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N/AN/A
High-Pass Slope (dB/octave)
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N/AN/A
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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NoYes
Fuse Rating
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1560
Speaker Level Inputs
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HarnessHarness
Preamp Outputs
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NoNo
Width (inches)
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7-7/88-5/8
Height (inches)
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1-1/21-5/8
Depth (inches)
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2-9/164-5/16
Parts Warranty
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1 Year2 Years
Labor Warranty
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1 Year2 Years
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Alpine KTP-445A Power Pack
In Stock 
$129.99
Add to Cart
Rockford Fosgate Power T500X1br
In Stock 
$549.99
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.