Alpine KTP-445A Power Pack vs Alpine MRX-V70

 
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
Alpine MRX-V70
DISCONTINUED 
$399.99
  • 180 watts RMS x 2 bridged at 4 ohms + 350 watts RMS x 1 at 2 ohms
  • variable subsonic filter and bass boost
  • speaker-level inputs
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Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackAlpine MRX-V70
RMS Power Output (Wt x Channels)
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45 x 4
60 x 4
250 x 1
Peak Power Output (Wt x Channels)
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90 x 4N/A
Power at 2 Ohms (Wt x Channels)
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N/A90 x 4
Bridged Power (Wt x Channels)
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N/A180 x 2
Minimum Impedance Bridged
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N/A4
Minimum Impedance Unbridged
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22
Best Frequency Response
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20-20k Hz5-45k Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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84 dB87 dB
Input Voltage
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14.4v14.4v
Features Alpine KTP-445A Power PackAlpine MRX-V70
Amplifier Class
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DD
Low-Pass Crossover Frequency
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N/A50-400 Hz
Low-Pass Slope (dB/octave)
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N/A24 dB/oct
High-Pass Crossover Frequency
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N/A50-400 Hz
High-Pass Slope (dB/octave)
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N/A12 dB/oct
Bass Boost
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No0-12 dB
Bass Boost Frequency
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N/A50 Hz
Fan Cooled
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NoNo
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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7-7/810-5/8
Height (inches)
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1-1/22-5/16
Depth (inches)
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2-9/169-1/16
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
Alpine MRX-V70
DISCONTINUED 
$399.99
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.