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Alpine MRP-500
mono subwoofer car amplifier
300 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)
variable low-pass filter (50-200 Hz, 24 dB/octave)
variable bass boost (0-12 dB at 50 Hz)
subsonic filter (15 Hz, 24 dB/octave)
Class D amp with 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: 30A x 2
8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
10-11/16"W x 2-7/16"H x 9-9/16"D
warranty: 1 year
Alpine 1042D
10" subwoofer with dual 4-ohm voice coils
Kevlar reinforced pulp cone with Santoprene™ rubber surround
cast aluminum frame with perimeter venting
frequency response: 26-600 Hz
power handling: 200-500 watts RMS (250 watts per coil)
peak power: 1,500 watts
sensitivity: 83 dB
top-mount depth: 6-7/8"
sealed box volume: 0.5-0.8
ported box volume: 0.6-1.3