Originally Posted by Technic
Those are more than the 8V peak input level of the HD amps.
It is my understanding that the input voltage rating on the amp input is in RMS, not max volts. At 18W RMS at 4 ohm it would seem the MS-8 is capable of outputting a maximum of 8.5V RMS. Close enough for me, especially since I am not thinking about subwoofer outputs, rather midrange outputs.