Sony XM-1ES Mobile ES mono amplifier 600 watts RMS x 1 at 4 ohms 1,000 watts RMS x 1 at 2 ohms wired remote level control included Class D amp technology — frequency response: 10-500 Hz variable low-pass filter (50-500 Hz, 24 dB/octave) variable subsonic filter (5-50 Hz, 24 dB/octave)
