Newbie Review by Sean Newbie Product Reviewer:
The Sony XM-D500X Car Audio Amplifier features: 250 watts RMS x 1 at 4 ohms, 500 watts RMS x 1 at 2 ohms, 2-ohm stable, Class D design, variable low-pass filter (50-300 Hz, 12 dB/octave), variable bass boost (0-10 dB centered at 40 Hz), speaker- and preamp-level inputs, preamp outputs, gold-plated connectors, requires a 4-gauge wiring kit wiring and hardware not included with amplifier, 15-5/16"W x 2-1/16"H x 10-9/16"D, and comes with a warranty: 1 year. “ This amp comes highly recommended by many others who have used it”.