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Kenwood Excelon X450-4 vs Helix Blue B TWO

 
Kenwood Excelon X450-4
In Stock 
$279.99
  • 75 watts RMS x 2 at 2 ohms + 300 watts RMS x 1 bridged at 4 ohms
  • variable high- and low-pass filters
  • preamp inputs
Add to Cart
Helix Blue B TWO
In Stock 
$279.99
  • 200 watts RMS x 1 at 4 ohms
  • variable high- and low-pass filters
  • preamp inputs and outputs; speaker-level inputs via 8-pin harness
Add to Cart

Product Features

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Condition New StockNew Stock
Performance Kenwood Excelon X450-4Helix Blue B TWO
RMS Power Output (Wt x Channels)
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60 x 2
100 x 2
80 x 2
Peak Power Output (Wt x Channels)
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---240 x 2
Power at 2 Ohms (Wt x Channels)
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75 x 2120 x 2
Bridged Power (Wt x Channels)
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300 x 1200 x 1
Minimum Impedance Bridged
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44
Minimum Impedance Unbridged
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22
Best Frequency Response
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5-50k Hz10-30k Hz
THD at Rated RMS Power
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1%0.03%
Signal to Noise Ratio
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80 dB95 dB
Input Voltage
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14.4v---
Features Kenwood Excelon X450-4Helix Blue B TWO
Amplifier Class
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Not GivenAB
Low-Pass Crossover Frequency
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50-200 Hz40-4000 Hz
Low-Pass Slope (dB/octave)
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24 dB/octN/A
High-Pass Crossover Frequency
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50-200 Hz15-4000 Hz
High-Pass Slope (dB/octave)
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12 dB/octN/A
Bass Boost
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0-18 dB0-18 dB
Bass Boost Frequency
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40 Hz45 Hz
Fan Cooled
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YesNo
Fuse Rating
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8030
Speaker Level Inputs
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NoHarness
Preamp Outputs
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No1 pair
Width (inches)
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13-5/811-3/16
Height (inches)
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2-3/162
Depth (inches)
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7-3/810-1/4
Parts Warranty
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2 Years2 Years
Labor Warranty
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2 Years2 Years
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Kenwood Excelon X450-4
In Stock 
$279.99
Add to Cart
Helix Blue B TWO
In Stock 
$279.99
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.