1.888.955.6000
 
 

Alpine KTP-445A Power Pack vs Rockford Punch P500X1bd

 
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
Rockford Punch P500X1bd
In Stock 
$399.99
  • 150 watts RMS x 1 at 4 ohms (300 watts x 1 at 2 ohms)
  • C.L.E.A.N. gain system includes setup CD and clip lights
  • 1-ohm stable
Add to Cart

Product Features

Hide similar features
Condition New StockNew Stock
Performance Alpine KTP-445A Power PackRockford Punch P500X1bd
RMS Power Output (Wt x Channels)
Loading...
45 x 4
150 x 1
Peak Power Output (Wt x Channels)
Loading...
90 x 4N/A
Power at 2 Ohms (Wt x Channels)
Loading...
N/A300 x 1
Bridged Power (Wt x Channels)
Loading...
N/AN/A
Minimum Impedance Bridged
Loading...
N/AN/A
Minimum Impedance Unbridged
Loading...
21
Best Frequency Response
Loading...
20-20k Hz20-250 Hz
THD at Rated RMS Power
Loading...
1%1%
Signal to Noise Ratio
Loading...
84 dB80 dB
Input Voltage
Loading...
14.4v14.4v
Features Alpine KTP-445A Power PackRockford Punch P500X1bd
Amplifier Class
Loading...
DBD
Low-Pass Crossover Frequency
Loading...
N/A50-250 Hz
Low-Pass Slope (dB/octave)
Loading...
N/A12 dB/octave
High-Pass Crossover Frequency
Loading...
N/AN/A
High-Pass Slope (dB/octave)
Loading...
N/AN/A
Bass Boost
Loading...
No0-18 dB
Bass Boost Frequency
Loading...
N/A45 Hz
Fan Cooled
Loading...
NoNo
Fuse Rating
Loading...
1580
Speaker Level Inputs
Loading...
HarnessRCA
Preamp Outputs
Loading...
No1 pair
Width (inches)
Loading...
7-7/811-1/8
Height (inches)
Loading...
1-1/22-7/16
Depth (inches)
Loading...
2-9/168-13/16
Parts Warranty
Loading...
1 Year1 Year
Labor Warranty
Loading...
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
Rockford Punch P500X1bd
In Stock 
$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.