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Alpine PDX-4.100 4-Channel Power Density Digital Car Amplifier (PDX4.100)

Item #: 76982 Availability: DISCONTINUED
Mfg Part No.: PDX4100 Condition: Brand New

Free 2-Year Warranty


For pick-up:   Please give us a call to confirm your order so we can have the product ready for you.

Sometimes size doesn't matter. You get big power from a little box with Alpine's Power Density Digital Amplifiers. Super-efficient Class-D technology allows these small-but-mighty amplifiers to run so cool they can be stacked together for a sweet multi-amp setup, freeing up valuable space in your car.

The PDX-4.100 4-channel amplifier supplies a full 100 watts to each channel, plenty of power for even the most demanding component speaker systems. Switch to 2-channel mode, and you can send 200 watts to each of your subwoofers. Beefy internal components and clever engineering keep the power output strong and the noise low for superb fidelity and control. Adjustable frequency filters tailor the amp's output to your specific system.


  • Alpine PDX4.100 4-Channel Power Density Digital Amplifier
  • RMS Power Rating:
    • 4 ohms: 100 watts x 4 chan.
    • 2 ohms: 100 watts x 4 chan.
    • 4 ohms bridged: 200 watts x 2 chan.
  • Class D amplifier design
  • THD at Rated RMS Power: 1%
  • Signal-to-Noise Ratio: 76 dB
  • Stackable installation design with front-panel controls
  • Quick-connect speaker connectors
  • HP/LP Crossover: 30 Hz - 400 Hz, 12dB/oct.
  • CEA-2006 Compliant
  • MOSFET power supply
  • Stackable installation design with front-panel controls
  • Continuously adjustable gain control
  • Top mounted blue LED power/status indicator
  • 4-Layer glass epoxy PC board
  • Dimensions: 7-9/16"L x 10-1/8"W x 2-7/16"H

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