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Compare Alpine KTP-445A Power Pack vs Rockford Fosgate R2-250X1

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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 R2-250X1
Prime Series mono subwoofer amplifier — 250 watts RMS x 1 at 2 ohms
$179.99
  • 150 watts RMS x 1 at 4 ohms
  • variable low-pass filter, subsonic filter, and bass boost
  • preamp and speaker-level inputs
   
Condition New Stock New Stock
Performance Alpine KTP-445A Power Pack Rockford Fosgate R2-250X1
RMS Power Output (Wt x Channels) 45 x 4
150 x 1
Peak Power Output (Wt x Channels) 90 x 4 ---
Power at 2 Ohms (Wt x Channels) N/A 250 x 1
Bridged Power (Wt x Channels) N/A ---
Minimum Impedance Bridged N/A ---
Minimum Impedance Unbridged 2 2
Best Frequency Response 20-20k Hz ---
THD at Rated RMS Power 1% ---
Signal to Noise Ratio 84 dB ---
Input Voltage 14.4v ---
Features Alpine KTP-445A Power Pack Rockford Fosgate R2-250X1
Amplifier Class D AB
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 ---
High-Pass Slope (dB/octave) N/A ---
Bass Boost No 0-12 dB
Bass Boost Frequency N/A 45 Hz
Fan Cooled No ---
Fuse Rating 15 30
Speaker Level Inputs Harness Harness
Preamp Outputs No 1 pair
Width (inches) 7-7/8 11-1/4
Height (inches) 1-1/2 2
Depth (inches) 2-9/16 7-3/8
Parts Warranty 1 Year 1 Year
Labor Warranty 1 Year 1 Year
  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
Remove

Adding...
New
Rockford Fosgate R2-250X1
Prime Series mono subwoofer amplifier — 250 watts RMS x 1 at 2 ohms
$179.99
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