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  • Alpine PMX-F640 4 Channel Car Amplifier
  • Alpine PMX-F640 4 Channel Car Amplifier
  • Alpine PMX-F640 4 Channel Car Amplifier

Alpine PMX-F640 4 Channel Car Amplifier

Product Code : PMXF640

List Price: $349.00 On Sale: $248.85 (GST Included) (You save 28.70%)

Warranty Terms & Conditions

$9.95 Flat Rate Generally ships out in 24 to 48 hours.


Product Info

Product Info

Alpine PMX-F640 4 Channel Car Amplifier

We Think You Should Know

  • 12 Month Australian Warranty
  • Risk Free Purchase Guarantee (bottom of page)
  • 4 Channel Amplifier
  • 640 watt total output
  • 4 x 50 watts RMS
  • Bass EQ
  • Speaker Level Input
  • Low Pass and High Pass Filter


Alpine car amplifiers are built with the latest technology and thermal protection circuitry, meaning they are able to perform at peak levels without failing when compared to cheaper brands of car amplifiers.

The new range of Class A/B car amplifiers from Alpine Car Audio take up a much smaller foot print than previous amplifier making them so much easier to install in tighter cabin and boot wells.

With speaker level inputs as standard these amplifiers allow you to continue to use your factory radio if need be without the need for expensive modifications or additional wiring looms.

The Alpine PMX-F640 car amplifier features the latest thermal protection which provides for over voltage and over current detection allowing your amplifier to run longer under heavy loads without damage.

Alpine Car Audio

Alpine is widely recognised as a leader in premium car audio products. Their reputation for quality and innovation has been built over several decades of producing the finest car audio products including car stereos, speakers, amplifiers, subwoofers, navigation and integration systems. If you want to ensure performance and clarity for your vehicle's audio system then check out our great range Alpine products!


Peace of Mind Purchase Guarantee & Declaration of Warranty
This product is directly imported and is offered with a full Australian 12 month warranty. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department to arrange service for this product.

We are not linked or associated with Alpine Car Audio.

Our decision to import this product is in line with our company objectives to 'Offer our customers the very best prices on the world's biggest brands and Make sure our service is second to none'.

This product will be shipped from our Sydney Warehouse and you are welcome to pick it up directly from our store in Sydney. This product is NOT DROP SHIPPED from overseas.

Tech Specs

Technical Specifications

Power Output

  • 50 watts x 4 RMS power at 4 ohms
  • 75 watts x 4 RMS power at 2 ohms
  • 150 watts x 2 RMS power at 4 ohms
  • Maximum power output is 640 watts
  • Total Harmonic Distortion is rated at less than 1%

Signal to Noise Ratio

  • 90 db for full range channels

Input Sensitivity

  • RCA Input .2 to 4 volts
  • Speaker Level Input .5 to 10 volts

Cross Over

  • Variable High and Low Pass Filter 

In The Box

What's Included?

  • Alpine PMX-F640 4 Channel Car Amplifier

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