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Infinity Reference 475a vs Pioneer GM-D8601

 
Infinity Reference 475a
In Stock 
$149.99
  • 90 watts RMS x 4 at 2 ohms
  • 180 watts RMS x 2 in bridged mode
  • variable high- and low-pass filters
Add to Cart
Pioneer GM-D8601
In Stock 
$199.99
  • 300 watts RMS x 1 at 4 ohms
  • wired remote bass boost
  • Class D amp technology
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Infinity Reference 475aPioneer GM-D8601
RMS Power Output (Wt x Channels)
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75 x 4
300 x 1
Peak Power Output (Wt x Channels)
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117 x 41600 x 1
Power at 2 Ohms (Wt x Channels)
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90 x 4500 x 1
Bridged Power (Wt x Channels)
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180 x 2N/A
Minimum Impedance Bridged
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4N/A
Minimum Impedance Unbridged
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21
Best Frequency Response
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10-100k Hz10-240 Hz
THD at Rated RMS Power
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1%1%
Signal to Noise Ratio
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85 dB75 dB
Input Voltage
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14.4v14.4v
Features Infinity Reference 475aPioneer GM-D8601
Amplifier Class
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ABD
Low-Pass Crossover Frequency
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32-320 Hz40 -240 Hz
Low-Pass Slope (dB/octave)
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12 dB12 dB/octave
High-Pass Crossover Frequency
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32-320 HzN/A
High-Pass Slope (dB/octave)
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12 dBN/A
Bass Boost
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0-6 dB0-18 dB
Bass Boost Frequency
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50 Hz50 Hz
Fan Cooled
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NoNo
Fuse Rating
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7080
Speaker Level Inputs
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NoRCA
Preamp Outputs
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1 pair1 pair
Width (inches)
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911
Height (inches)
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2-11/162-3/8
Depth (inches)
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14-3/47-7/8
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Infinity Reference 475a
In Stock 
$149.99
Add to Cart
Pioneer GM-D8601
In Stock 
$199.99
Add to Cart

Video: Car Amplifier PowerWe describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.

Video: Car Amplifier ChannelsOne of the first steps in choosing an amplifier for your car audio system is to decide how you intend to use the amplifier, and thus how many channels it should have. This short video gives you a quick overview to help answer that question.