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Alpine 4/3/2 Channel Digital Amplifier - PDX-4.100M

Abt Model: PDX4100M | UPC Code: 793276300973
 Discontinued Product This item is no longer available from our website.
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Alpine - PDX-4.100M - Marine Amplifiers
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100W x 4 RMS Power Handling/ Adjustable Gain Control/ 4-Layer Glass Epoxy PC Board/ Gold Plated Input, Output, Power And Speaker Terminals/ Adjustable Low-Pass Crossover/ Top Mounted Blue LED Power/Status Indicator/ STAR Circuit/ Thermal Management Control
Discontinued (details)
Your Shipping Zip Code: 20149 (change)
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Product Details

Alpine Marine 4/3/2 Channel Power Density Digital Amplifier, Model PDX4100M

Alpine introduces its award-winning line of Marine sound system products. Whether you want a simple sound upgrade for your runabout, a high-quality system for your cruiser or sportboat, or huge output for your ski/wakeboard boat, there is an Alpine Marine system just right for you. Constructed from UV resistant materials and finish, and corrosion resistant hardware, these bad boy amps are ready to rough the seas.



  • Gain Control: Adjustable
  • Board Design: 4-Layer Glass Epoxy PC Board
  • Final Outputs: Fast Switching, Low Impedance Direct Fets
  • Pre-Amp Stage: Discrete
  • Connector Plating: Gold Plated Input, Output, Power and Speaker Terminals
  • Crossover: Adjustable Low-Pass
  • RCA Output: Non-Fading Pre-Amp Output
  • Power Indicator: Top Mounted Blue LED Power/Status Indicator
  • Current Protection: Auto Over-Current Protection
  • Board Circuitry: STAR Circuit
  • Power Supply Design: DC-DC PWM Power Supply
  • Power Supply: Resonant Mode Power Supply
  • Thermal Control: Thermal Management Control
  • Channel Design: 4/3/2 Channel
  • Amplifier Type: Class-D (Switch Mode Digital)


  • Mounting Design: Easy Stacking
  • Screw Mount / Wire Cover: Integrated Wire and Mounting Screw Terminals
  • Terminal Layout: One-Sided
  • Connectors: Quick Disconnect Terminals



  • Signal to Noise: CEA 2006 S/N Ratio (IHF A Weighted, Reference: 1W into 4O) 76 dBA
  • Speaker Impedance: 4 or 2 O
  • Frequency Response: 20Hz - 20kHz (+0, -1dB)
  • Input Sensitivity: 0.2V to 4.0V (For Rated Power)
  • Power Requirements: 14.4V DC (11V to 16V)

Sound Tuning

  • Crossover: Variable, 30-400Hz (-12dB / oct ), Low-Pass/High-Pass /OFF Selectable

RMS Power Ratings

  • Bridged 4 Ohms: Bridged into 4O (=1%THD+N) 200w x 2
  • Per channel into 2 Ohms: (@14.4V =1%THD+N, 20Hz - 20kHz) 100W x 4
  • Per channel into 4 Ohms: (@14.4V =1%THD+N, 20Hz - 20kHz) 100W x 4

CEA-2006 Power Ratings

  • CEA-2006 Power Rating: (4/2 O@14.4V =1%THD+N), S/N 76dBA (Ref. 1W into 4 O): 100w x 4

Approximate Weight:

  • Shipping: 7 lbs
More reasons to buy the Alpine PDX-4.100M from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Alpine PDX-4.100M is Brand New.
  • The Alpine PDX-4.100M Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Alpine 4/3/2 Channel Digital Amplifier

Alpine 4/3/2 Channel Digital Amplifier


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