Alpine KTP-445A Power Pack vs Helix Blue B FOUR

 
Alpine KTP-445A Power Pack

In Stock

(97)

$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 Blue B FOUR

DISCONTINUED

(3)

$379.99
  • 180 watts RMS x 2 at 4 ohms
  • speaker-level inputs
  • Class A/B design

Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackHelix Blue B FOUR
RMS Power Output (Wt x Channels)
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45 x 4
60 x 4
Peak Power Output (Wt x Channels)
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90 x 4180 x 4
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 Hz10-30k Hz
THD at Rated RMS Power
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1%0.03%
Signal to Noise Ratio
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84 dB95 dB
Input Voltage
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14.4v---
Features Alpine KTP-445A Power PackHelix Blue B FOUR
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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N/A15-4000 Hz
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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NoNo
Fuse Rating
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1550
Speaker Level Inputs
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HarnessHarness
Preamp Outputs
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No1 pair
Width (inches)
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7-7/814-1/4
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-445A Power Pack

In Stock

(97)

$129.99
Add to Cart
Helix Blue B FOUR

DISCONTINUED

(3)

$379.99

1.888.955.6000

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