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Compare Alpine KTA-450 Power Pack vs Rockford Fosgate R2-300X4

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Alpine KTA-450 Power Pack
Compact 4-channel car amplifier — 50 watts RMS x 4
  • 100 watts RMS x 2 bridged at 4 ohms
  • Dynamic Peak Power (DPP) technology adds a burst of power when needed
  • PowerStack bracket included for mounting amp behind Alpine iLX-W650 digital multimedia receiver (#500ILXW650)
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Rockford Fosgate R2-300X4
Prime Series 4-channel car amplifier — 50 watts RMS x 4
$219.99
  • 150 watts RMS x 2 bridged
  • variable high- and low-pass filters
  • preamp and speaker-level inputs
   
Condition New Stock New Stock
Performance Alpine KTA-450 Power Pack Rockford Fosgate R2-300X4
RMS Power Output (Wt x Channels) 50 x 4
50 x 4
Peak Power Output (Wt x Channels) 100 x 4 ---
Power at 2 Ohms (Wt x Channels) 45 x 4 75 x 4
Bridged Power (Wt x Channels) 100 x 2 150 x 2
Minimum Impedance Bridged 4 4
Minimum Impedance Unbridged 2 2
Best Frequency Response 15-50k Hz ---
THD at Rated RMS Power 1% ---
Signal to Noise Ratio 82 dB ---
Input Voltage 14.4v ---
Features Alpine KTA-450 Power Pack Rockford Fosgate R2-300X4
Amplifier Class D AB
Low-Pass Crossover Frequency No 50-250 Hz
Low-Pass Slope (dB/octave) N/A 12 dB/octave
High-Pass Crossover Frequency Off, 60, 80, 120Hz 50-250 Hz
High-Pass Slope (dB/octave) 12 dB/octave 12 dB/octave
Bass Boost No 0, 6, 12 dB
Bass Boost Frequency N/A 45 Hz
Fan Cooled No ---
Fuse Rating 20 50
Speaker Level Inputs RCA Harness
Preamp Outputs No No
Width (inches) 7 13-1/4
Height (inches) 1-3/8 2
Depth (inches) 3-9/16 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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Adding...
Alpine KTA-450 Power Pack
Compact 4-channel car amplifier — 50 watts RMS x 4
Remove

Adding...
New
Rockford Fosgate R2-300X4
Prime Series 4-channel car amplifier — 50 watts RMS x 4
$219.99
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