Kenwood KAC-2404S vs Alpine KTP-445U Power Pack

 
Kenwood KAC-2404S
DISCONTINUED 
$119.99
  • 130 watts RMS x 2 bridged
  • variable low-pass and fixed high-pass filters
  • preamp and speaker-level inputs
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Alpine KTP-445U Power Pack
In Stock 
$149.99
  • runs off same power circuit as receiver (must be 15-amp or more)
  • compact amplifier with universal plug for in-dash receivers
  • 45 watts x 4 at 4 ohms
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Product Features

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Condition New StockNew Stock
Performance Kenwood KAC-2404SAlpine KTP-445U Power Pack
RMS Power Output (Wt x Channels)
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40 x 4
45 x 4
Peak Power Output (Wt x Channels)
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125 x 490 x 4
Power at 2 Ohms (Wt x Channels)
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60 x 445 x 4
Bridged Power (Wt x Channels)
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130 x 290 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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5-50k Hz20-20k Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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80 dB82 dB
Input Voltage
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14.4v14.4v
Features Kenwood KAC-2404SAlpine KTP-445U Power Pack
Amplifier Class
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ABD
Low-Pass Crossover Frequency
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50-200 HzN/A
Low-Pass Slope (dB/octave)
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18 dB/octN/A
High-Pass Crossover Frequency
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80 Hz60, 80, 120Hz
High-Pass Slope (dB/octave)
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12 dB/oct12 dB/oct
Bass Boost
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NoNo
Bass Boost Frequency
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N/AN/A
Fan Cooled
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NoNo
Fuse Rating
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3015
Speaker Level Inputs
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HarnessHarness
Preamp Outputs
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NoNo
Width (inches)
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13-13/167-7/8
Height (inches)
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2-3/81-1/2
Depth (inches)
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8-1/22-9/16
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
 
Kenwood KAC-2404S
DISCONTINUED 
$119.99
Add to Cart
Alpine KTP-445U Power Pack
In Stock 
$149.99
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.