Review summary of Sony XM-D500X 1 Channel D Amplifier
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 pream