Alpine KTP-445A Power Pack vs Brax NOX4B

 
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
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Brax NOX4B
 
 
$2,999.99
  • 380 watts RMS x 2 bridged at 4 ohms
  • 24-karat gold-plated RCA input, power, and speaker connections
  • hand-selected and matched transistors
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Product Features

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Condition New StockNew Stock
Performance Alpine KTP-445A Power PackBrax NOX4B
RMS Power Output (Wt x Channels)
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45 x 4
105 x 4
Peak Power Output (Wt x Channels)
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90 x 4---
Power at 2 Ohms (Wt x Channels)
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N/A180 x 4
Bridged Power (Wt x Channels)
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N/A380 x 2
Minimum Impedance Bridged
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N/A4
Minimum Impedance Unbridged
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2---
Best Frequency Response
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20-20k Hz20-20000 Hz
THD at Rated RMS Power
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1%---
Signal to Noise Ratio
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84 dB---
Input Voltage
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14.4v---
Features Alpine KTP-445A Power PackBrax NOX4B
Amplifier Class
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DAB
Low-Pass Crossover Frequency
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N/AN/A
Low-Pass Slope (dB/octave)
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N/A---
High-Pass Crossover Frequency
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N/AN/A
High-Pass Slope (dB/octave)
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N/A---
Bass Boost
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NoNo
Bass Boost Frequency
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N/A---
Fan Cooled
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No---
Fuse Rating
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15100
Speaker Level Inputs
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Harness---
Preamp Outputs
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No1 pair
Width (inches)
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7-7/812-5/8
Height (inches)
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1-1/22-1/4
Depth (inches)
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2-9/1612-5/8
Parts Warranty
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1 Year2 Year
Labor Warranty
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1 Year2 Year
  Owner's Manual
 Hands-on ResearchHands-on Research
 
Alpine KTP-445A Power Pack
In Stock 
$129.99
Add to Cart
Brax NOX4B
 
$2,999.99
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.