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Compare Alpine KTP-445A Power Pack vs Rockford Fosgate Power T400X2ad

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Alpine KTP-445A Power Pack
Compact upgrade amplifier for your Alpine receiver — 45 watts RMS x 4
  • dimensions: 7-7/8"W x 1-1/2"H x 2-9/16"D
  • compact amplifier for Alpine in-dash receivers
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Rockford Fosgate Power T400X2ad
Compact 2-channel car amplifier — 200 watts RMS x 2
  • 400 watts RMS x 1 bridged at 4 ohms
  • C.L.E.A.N. gain system includes clip lights and setup CD
  • variable Punch EQ bass/treble boost
   
Condition New Stock New Stock
Performance Alpine KTP-445A Power Pack Rockford Fosgate Power T400X2ad
RMS Power Output (Wt x Channels) 45 x 4
200 x 2
Peak Power Output (Wt x Channels) 90 x 4 223 x 2
Power at 2 Ohms (Wt x Channels) N/A 200 x 2
Bridged Power (Wt x Channels) N/A 400 x 1
Minimum Impedance Bridged N/A 4
Minimum Impedance Unbridged 2 2
Best Frequency Response 20-20k Hz 20-20000 Hz
THD at Rated RMS Power 1% 1%
Signal to Noise Ratio 84 dB 90 dB
Input Voltage 14.4v 14.4v
Features Alpine KTP-445A Power Pack Rockford Fosgate Power T400X2ad
Amplifier Class D A/D
Low-Pass Crossover Frequency N/A 50-250 Hz
Low-Pass Slope (dB/octave) N/A 12 dB/octave
High-Pass Crossover Frequency N/A 50-250 Hz
High-Pass Slope (dB/octave) N/A 12 dB/octave
Bass Boost No 0-18 dB
Bass Boost Frequency N/A 45 Hz
Fan Cooled No Yes
Fuse Rating 15 60
Speaker Level Inputs Harness Harness
Preamp Outputs No No
Width (inches) 7-7/8 7
Height (inches) 1-1/2 1-5/8
Depth (inches) 2-9/16 4-1/4
Parts Warranty 1 Year 2 Years
Labor Warranty 1 Year 2 Years
  Owner's Manual Owner's Manual
Hands-on Research Hands-on Research
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Alpine KTP-445A Power Pack
Compact upgrade amplifier for your Alpine receiver — 45 watts RMS x 4
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Adding...
Rockford Fosgate Power T400X2ad
Compact 2-channel car amplifier — 200 watts RMS x 2
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