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Compare Alpine KTA-450 Power Pack vs Memphis Audio PRXA300.4

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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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Memphis Audio PRXA300.4
Power Reference 4-channel car amplifier — 50 watts RMS x 4
Temporarily out of stock
$339.99
  • 140 watts RMS x 2 bridged at 4 ohms
  • variable low-pass, variable bass boost
  • LED accent lighting
   
Condition New Stock New Stock
Performance Alpine KTA-450 Power Pack Memphis Audio PRXA300.4
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 2 140 x 2
Minimum Impedance Bridged 4 4
Minimum Impedance Unbridged 2 2
Best Frequency Response 15-50k Hz 20-20k Hz
THD at Rated RMS Power 1% 1%
Signal to Noise Ratio 82 dB 80 dB
Input Voltage 14.4v 14.4v
Features Alpine KTA-450 Power Pack Memphis Audio PRXA300.4
Amplifier Class D AB
Low-Pass Crossover Frequency No 50-250 Hz
Low-Pass Slope (dB/octave) N/A 12 dB/oct
High-Pass Crossover Frequency Off, 60, 80, 120Hz 80-1000 Hz
High-Pass Slope (dB/octave) 12 dB/octave 12 dB/oct
Bass Boost No 0-12 dB
Bass Boost Frequency N/A 45 Hz
Fan Cooled No No
Fuse Rating 20 60
Speaker Level Inputs RCA No
Preamp Outputs No No
Width (inches) 7 13-1/8
Height (inches) 1-3/8 2-3/16
Depth (inches) 3-9/16 7-9/16
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 KTA-450 Power Pack
Compact 4-channel car amplifier — 50 watts RMS x 4
Remove

Adding...
Memphis Audio PRXA300.4
Power Reference 4-channel car amplifier — 50 watts RMS x 4
Temporarily out of stock
$339.99
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