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Compare Alpine R-A75M vs Alpine X-A90M

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Alpine R-A75M
R-Series mono subwoofer amplifier — 750 watts RMS x 1 at 2 ohms
In stock
2 reviews
$449.95
  • 500 watts RMS x 1 at 4 ohms
  • variable low-pass and subsonic filters
  • variable bass boost
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Alpine X-A90M
X-Series mono subwoofer amplifier — 900 watts RMS at 2 ohms
In stock
6 reviews
$599.95
  • 600 watts RMS x 1 at 4 ohms
  • Class-D design
  • switchable subsonic filter
   
Condition New Stock New Stock
Performance Alpine R-A75M Alpine X-A90M
RMS Power Output (Wt x Channels) 500 x 1
600 x 1
Peak Power Output (Wt x Channels) N/A N/A
Power at 2 Ohms (Wt x Channels) 750 x 1 900 x 1
Bridged Power (Wt x Channels) N/A ---
Minimum Impedance Bridged N/A ---
Minimum Impedance Unbridged 2 2
Best Frequency Response 10-400 Hz 8-400 Hz
THD at Rated RMS Power 1% 1%
Signal to Noise Ratio 85 dB 83 dB
Input Voltage 14.4v 14.4v
Features Alpine R-A75M Alpine X-A90M
Amplifier Class D D
Low-Pass Crossover Frequency 50-400 Hz 50-400 Hz
Low-Pass Slope (dB/octave) 24 dB/octave 24 dB/octave
High-Pass Crossover Frequency N/A N/A
High-Pass Slope (dB/octave) N/A N/A
Bass Boost 0-12 dB 0-12 dB
Bass Boost Frequency 50 Hz 50 Hz
Fan Cooled No No
Fuse Rating 80 90
Speaker Level Inputs RCA RCA
Preamp Outputs 1 pair 1 pair
Width (inches) 10-3/4 11-3/4
Height (inches) 2-1/8 2-1/16
Depth (inches) 10 8-3/8
Parts Warranty 1 Year 1 Year
Labor Warranty 1 Year 1 Year
  Owner's Manual Owner's Manual
Hands-on Research Hands-on Research
Remove

Adding...
Alpine R-A75M
R-Series mono subwoofer amplifier — 750 watts RMS x 1 at 2 ohms
In stock
2 reviews
$449.95
Remove

Adding...
Alpine X-A90M
X-Series mono subwoofer amplifier — 900 watts RMS at 2 ohms
In stock
6 reviews
$599.95
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