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Axxera AX550D

5-channel car amplifier — 56 watts RMS x 4 at 4 ohms + 400W x 1 at 2 ohms

Save 50% on a select amp wiring kit with any $249+ car amplifier with any $249+ car amplifier
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  • Axxera AX550D

    Front

  • Axxera AX550D

  • Axxera AX550D

  • Axxera AX550D

  • Axxera AX550D

    Remote

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Our take on the Axxera AX550D

by Bob Bihlmayer
Axxera

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Good things come in small packages

Axxera's Mini Series car amplifiers pack a lot of sound into a small space. Their AX550D amplifier packs five channels of power into an extremely compact chassis, driving your front and back speakers at 56 watts each while sending up to 400 watts to your subwoofer. This all-in–one powerhouse is only 1-5/8” high and 4-3/4" wide, allowing it to fit under most car seats or in just about any tight spot in your vehicle.

Fine tuning

This Axxera amp also includes multiple controls to tailor the response to your liking. The variable high-pass and low-pass crossovers maximize the performance of your speakers and subs, while you can use the variable bass boost and subsonic filter to tune the subwoofer for just the right quality of boom. Axxera even includes a wired remote control that lets you adjust your subwoofer level from the driver's seat.

Highlights:

  • 5-channel car amplifier
  • 56 watts RMS x 4 + 200 watts x 1 at 4 ohms
  • 79 watts RMS x 4 + 400 watts x 1 at 2 ohms
  • 154 watts RMS x 2 bridged at 4 ohms (4-ohm stable bridged) + 400 watts x 1 at 2 ohms
  • Class D amp technology
  • full MOSFET DC-DC PWM power supply
  • variable high- and low-pass crossovers (35-250 Hz, 12 dB/octave)
  • variable bass boost (0-12 dB at 45 Hz)
  • remote bass level control included
  • frequency response: 10-35,000 Hz
  • preamp and speaker-level inputs
  • fuse rating: 40A x 1
  • 4-gauge power and ground leads recommended—wiring and hardware not included with amplifier
  • dimensions: 10-1/4"W x 1-5/8"H x 4-11/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
Preliminary info from the manufacturer
Features and Specs
Performance
RMS Power Output (Watts x Channels)
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56 x 4
400 x 1
Peak Power Output (Watts x Channels)
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Power at 2 Ohms (Watts x Channels)
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79 x 4
Bridged Power (Watts x Channels)
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154 x 2
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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10-35000 Hz
THD at Rated RMS Power
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Signal to Noise Ratio
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Input Voltage
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Features
Amplifier Class
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D
Low-Pass Crossover Frequency
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35-250 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct
High-Pass Crossover Frequency
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35-250 Hz
High-Pass Slope (dB/octave)
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12 dB/oct
Bass Boost
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0-12 dB
Bass Boost Frequency
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45 Hz
Fan Cooled
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No
Fuse Rating
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40
Speaker Level Inputs
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Harness
Preamp Outputs
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No
Width (inches)
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10-1/4
Height (inches)
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1-5/8
Depth (inches)
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4-11/16
Parts Warranty
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1 year
Labor Warranty
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1 year
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