Alpine KTP-445U Power Pack vs Helix Blue B TWO

 
Alpine KTP-445U Power Pack

In Stock

(111)

$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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Helix Blue B TWO

In Stock

(1)

$179.99
  • 200 watts RMS x 1 at 4 ohms
  • variable high- and low-pass filters
  • preamp inputs and outputs; speaker-level inputs via 8-pin harness
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Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445U Power PackHelix Blue B TWO
RMS Power Output (Wt x Channels)
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45 x 4
80 x 2
Peak Power Output (Wt x Channels)
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90 x 4240 x 2
Power at 2 Ohms (Wt x Channels)
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45 x 4120 x 2
Bridged Power (Wt x Channels)
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90 x 2200 x 1
Minimum Impedance Bridged
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44
Minimum Impedance Unbridged
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22
Best Frequency Response
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20-20k Hz10-30k Hz
THD at Rated RMS Power
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1%0.03%
Signal to Noise Ratio
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82 dB95 dB
Input Voltage
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14.4v---
Features Alpine KTP-445U Power PackHelix Blue B TWO
Amplifier Class
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DAB
Low-Pass Crossover Frequency
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N/A40-4000 Hz
Low-Pass Slope (dB/octave)
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N/AN/A
High-Pass Crossover Frequency
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60, 80, 120Hz15-4000 Hz
High-Pass Slope (dB/octave)
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12 dB/octN/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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NoNo
Fuse Rating
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1530
Speaker Level Inputs
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HarnessHarness
Preamp Outputs
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No1 pair
Width (inches)
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7-7/811-3/16
Height (inches)
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1-1/22
Depth (inches)
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2-9/1610-1/4
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-445U Power Pack

In Stock

(111)

$149.99
Add to Cart
Helix Blue B TWO

In Stock

(1)

$179.99
Add to Cart

1.888.955.6000

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