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Alpine PDR-F50 Amplifier

Alpine PDR-F50 Amplifier

Alpine PDR-F50 Amplifier


The fully digital PDR-F50 4-Channel Amplifier provides powerful bass, big dynamic sound, non-shutdown performance, and easy vertical or horizontal installation.

The PDR-F50 amp is unmatched in its class for power density performance (watts per cubic cm) and damping factor. PDR amps provide tremendous power at all levels, with hard-hitting bass, and outstanding S/N ratios and frequency response.


  • Class-D Digital Power Amps
  • Compact Chassis
  • Easy Access Controls
  • Speaker Level Input (Requires KCE-SP2R)
  • Remote Sensing Turn On
  • Variable High Pass/Low Pass Filters
  • Input Gain Adjustment: 0.2V-8V
  • Thermal Protection
  • Rotatable Alpine Badge
  • Remote Bass Knob Ready (RUX-KNOB)



  • Output Channels: 4 Channels


  • Power (@14.4V 1% THD)
  • 14.4V 4Ω: 4 x 85W
  • 14.4V 2Ω: 4 x 125W
  • BTL: 2 x 250W
  • Max Power Output: 1000W


  • Filter: Variable, OFF/LP/HP Selectable
  • LP: 50Hz-400Hz -12dB/oct
  • HP: 50Hz-400Hz -12dB/oct
  • Bass EQ: Ch3-4:0, +6, 12dB (Selectable)