[. . . ] [. . . ] The Harman Kardon FS1S is the amplifier designed to power multiroom applications, as well as the additional channels added by state-of-the-art 7. 1 channel systems. The FS1S's high-current, ultrawide-bandwidth design may be configured for 4 x 45-watt or 2 x 100-watt operation and features output circuits optimized for long-distance cable runs. Harman Kardon is a registered trademark, and Power for the Digital Revolution is a trademark, of Harman Kardon, Inc. [. . . ] [. . . ]