About the Alpine MRP-M450

Ken Nail

by Crutchfield'sKen Nail

Outstanding audio performance — you expect it when the amp is an Alpine. Alpine's V-Power amplifiers supply the high level of performance you want without shaking loose too much of your hard-earned cash.

Product highlights:

  • mono subwoofer car amplifier
  • 220 watts RMS x 1 at 4 ohms (400 watts RMS x 1 at 2 ohms)
  • variable low-pass filter (50-200 Hz, 24 dB/octave)
  • tuned Bass EQ (0-12 dB bass boost at 50 Hz)
  • subsonic filter (15 Hz, 24 dB/octave)
  • MOSFET power supply
  • CEA-2006 compliant
  • STAR Topology (minimizes internal noise and prevents ground interference)
  • speaker- and preamp-level inputs
  • gold-plated screw terminals
  • fuse rating: 20A x 2
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 9-3/4"W x 2-7/16"H x 9-9/16"D
  • warranty: 1 year
  • 60-day returns
  • MFR # MRP-M450

What's in the box:

Alpine MRP-M450 owner's manual

  • Mono amplifier
  • 8" Speaker-level input harness (with 8-pin Molex plug on one end and bare wire on the other end)
  • 2 Terminal covers
  • 4 Self-tapping hex-head screws (M4 x 20)