M-LINE 601.1 CLASS-D Mono Amplifier High-level input and auto sense Low pass filter with 24 dB slope Double-sided PCB Exchangeable chips for individualizing Bass Boost 0-6 dB Optional remote available Size only: 230 x 224 x 50 mm M-LINE 601.1 Power in RMS:   @ 2 Ohm mono: @ 1 Ohm mono: 1x 460 Watt 1x 600 Watt     Size: 230 x 224 x 50 mm       (previous model M-LINE 600.1)