Blaupunkt EMA 455 vs Infinity Reference 475a

 
Blaupunkt EMA 455
In Stock 
 
$149.99
  • 165 watts RMS x 2 bridged at 4 ohms
  • selectable high-pass, variable low-pass filters
  • speaker-level and preamp inputs
Add to Cart
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

Product Features

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Condition New StockNew Stock
Performance Blaupunkt EMA 455Infinity Reference 475a
RMS Power Output (Wt x Channels)
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55 x 4
75 x 4
Peak Power Output (Wt x Channels)
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320 x 2117 x 4
Power at 2 Ohms (Wt x Channels)
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80 x 490 x 4
Bridged Power (Wt x Channels)
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165 x 2180 x 2
Minimum Impedance Bridged
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44
Minimum Impedance Unbridged
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22
Best Frequency Response
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10-30k Hz10-100k Hz
THD at Rated RMS Power
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0.08%1%
Signal to Noise Ratio
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85 dB85 dB
Input Voltage
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---14.4v
Features Blaupunkt EMA 455Infinity Reference 475a
Amplifier Class
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ABAB
Low-Pass Crossover Frequency
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50-250 Hz32-320 Hz
Low-Pass Slope (dB/octave)
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N/A12 dB
High-Pass Crossover Frequency
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80 Hz32-320 Hz
High-Pass Slope (dB/octave)
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N/A12 dB
Bass Boost
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0, 6, 12 dB0-6 dB
Bass Boost Frequency
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45 Hz50 Hz
Fan Cooled
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NoNo
Fuse Rating
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4070
Speaker Level Inputs
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HarnessNo
Preamp Outputs
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No1 pair
Width (inches)
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11-3/49
Height (inches)
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2-1/82-11/16
Depth (inches)
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7-1/414-3/4
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
 
Blaupunkt EMA 455
In Stock 
$149.99
Add to Cart
Infinity Reference 475a
In Stock 
$149.99
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.