Clarion APA250

50W x 2 car amplifier

  • Clarion APA250


  • Clarion APA250


  • Clarion APA250

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Item #: 020APA250

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Our take on the Clarion APA250

by Tim Sprinkle

Fire up an APA Series amplifier and slam your speakers with a dose of clean, crisp, Clarion power. And just because these amps come loaded with high-end features doesn't mean you have to worry about digging in for the investment. In fact, with a Clarion APA amp driving the tunes in your car, you'll get the sound quality and performance that you want for a price that's hard to beat!

The APA250 gives you plenty of power to drive a pair of full-range speakers (50 watts RMS x 2), or bridge the channels and pound away at a sub with 100 watts of power. You can adjust the variable high-/low-pass filters to maximize speaker performance, and switch on the selectable bass boost for up to 12 dB of low-end help.

Gold-plated connectors ensure that plenty of clean signal finds its way into and through the amp. Looking to add some oomph to your factory stereo? Don't worry, the APA250's speaker-level inputs offer easy connection to any audio system.

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  • 50 watts RMS x 2 at 4 ohms
  • 100 watts RMS x 2 at 2 ohms
  • 100 watts RMS at 4 ohms in bridged mode
  • 4-ohm stable in bridged mode
  • stereo or bridged mono output
  • fuse rating: 25 amps
  • requires 10-gauge power and ground leads — wiring and hardware not included with amplifier
  • variable high- and low-pass filters: 50-250 Hz at 12 dB per octave
  • selectable bass boost (0/6/12 dB at 45 Hz)
  • preamp- and speaker-level inputs
  • 10-1/4"W x 2-3/8"H x 10-15/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • One 2-channel amp with a 25-amp fuses on chassis
  • One 12" speaker input harnesses
  • Owner/Installation Manual
  • Limited Warranty sheet

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Inputs and Outputs


Color: The amplifier is black with gray accents. The Clarion logo on the top is silver 

Bass Boost: This circuit allows the user to get either a 6 or 12 dB boost at 45 Hz. It can also be turned off.

Power LED: When the power is on, the LED illuminates in green.

Current Feedback Amplification Circuit: This circuit is designed to give you extended frequency range and maximize the potential of the amplifier by allowing it to produce clean, ultra-high frequency sound levels up to the frequency range of 50kHz.


Gain: On the left side of the amplifier, there is a gain control knob. This inset knob allows you to vary the gain from 200mV to 5V.

Crossover: There is a continuously variable crossover from 50 to 200 Hz. The slope of the crossovers is 12dB per octave. This amplifier has a switch on it which will allow you to make the amp a high-pass, low-pass, or full range amplifier.

Fuses: The amplifier chassis houses one 25 Amp ATC type fuse (blade). This fuse is found on the right side of the amplifier.

Inputs and Outputs


Left side of the amplifier:

  • RCA Inputs: there are gold plated left and right preamp inputs

  • Speaker-Level Input: the speaker-level (high-level) input terminal is used with the supplied wiring harness

Right side of the amplifier:

  • Remote: gold plated screw terminal (terminal width is 0.350")

  • Ground: gold plated screw terminal (terminal width is 0.350")

  • Battery: gold plated screw terminal (terminal width is 0.350")


Left side of the amplifier:

  • Speakers: there are gold-plated left and right, positive and negative screw terminal speaker outputs for all four channels (terminal width is 0.350")

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Clarion APA250 Reviews

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5 out of 5

Great amp!!!

Written By Max, Shelby,Mi on Wednesday, April 09, 2008
This is pretty strong amp for his rating(50 RMS x 2)...IT have a lot power to run full range speakers with strong bass boost and crispy clear sound!!!And the price is awsome!!!!
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5 out of 5

Clarion Amp

Written By jay, Blackshear, GA on Friday, March 11, 2005
This is by far the best amp I have purchased. I currently have a Sony CDX-F5000 Head Uint, 2 12" Sony Xplod XS-L121P5 Subwoofers and the sound is very clear, people around my friends say this an awesome amp they have ever heard with crisp clear sound. For anyone who wants a little bit of thump but not that much this is the amp. Its very easy to install, easy directions and everything.
6 out of 10 people found this helpful
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For a more in-depth review and enhanced detailed information on the Clarion APA250, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_020APA250/Clarion-APA250.html ).