Abstract: An audio/video signal distribution system includes a wall plate transmitter and wall plate receiver, which communication via twisted pair cabling. In a further aspect, a method of distributing an audio/video signal is provided.

Abstract: An IR emitter for use in an IR repeater system includes an IR light source and a manually adjustable brightness control for adjusting the brightness to a level appropriate for an IR detector of electronic equipment to be controlled. In a preferred aspect, the emitter includes a plug-type connector having a variable resistor mounted therein. Also provided is an IR repeater system and method employing an IR emitter having a manually adjustable brightness control.

Abstract: A combined heat sink and mounting bracket for a powered loudspeaker of a ported reflex type is provided. The combined heat sink and mounting bracket includes a base portion, a fastener attached to the base portion for securing to a reflex tube within the enclosure and a thermally conductive heat sink portion extending from the base portion. In further aspects, a loudspeaker assembly and an amplifier module incorporating the heat sink/mounting bracket are provided. In yet another aspect, a method of improving heat dissipation from an amplifier in a powered loudspeaker is also provided.