Alpine KTP-445A Power Pack vs Helix Competition A4

 
Alpine KTP-445A Power Pack

In Stock

(96)

$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
Helix Competition A4

$1,399.99
  • 395 watts RMS x 2 bridged at 2 ohms
  • Class A and AB amp technology
  • black trim
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackHelix Competition A4
RMS Power Output (Wt x Channels)
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45 x 4
85 x 4
Peak Power Output (Wt x Channels)
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90 x 4150 x 4
Power at 2 Ohms (Wt x Channels)
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N/A150 x 4
Bridged Power (Wt x Channels)
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N/A395 x 2
Minimum Impedance Bridged
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N/A2
Minimum Impedance Unbridged
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22
Best Frequency Response
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20-20k Hz15-20000 Hz
THD at Rated RMS Power
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1%0.009%
Signal to Noise Ratio
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84 dB100 dB
Input Voltage
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14.4v13.8v
Features Alpine KTP-445A Power PackHelix Competition A4
Amplifier Class
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DA
Low-Pass Crossover Frequency
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N/A15-7000 Hz
Low-Pass Slope (dB/octave)
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N/AN/A
High-Pass Crossover Frequency
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N/A15-7000 Hz
High-Pass Slope (dB/octave)
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N/AN/A
Bass Boost
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No0-9 dB
Bass Boost Frequency
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N/A30-120 Hz
Fan Cooled
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NoNo
Fuse Rating
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1575
Speaker Level Inputs
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HarnessNo
Preamp Outputs
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NoNo
Width (inches)
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7-7/817
Height (inches)
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1-1/21-7/16
Depth (inches)
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2-9/169-1/2
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

(96)

$129.99
Add to Cart
Helix Competition A4

$1,399.99
Add to Cart

1.888.955.6000

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