output plus the mcd751 transport for a totally balanced audio system without peer mr85 ... allows non-mcintosh components to be operated with a mcintosh handheld ... remote or keypad controller it connects to the data outputs on the c200 pc4 ac ... the pc4 provides five ac outlets four switched for turning nonmcintosh components on ... off automatically when it is connected to the power control output of a control ... amplifier r649 ir sensor with switching for three additional stereo power ... ir sensor the c200 can supply music to other areas with remote operation via ... construction that is virtually immune to vibrations that distort sound a special ... attenuator if mcintosh electromagnetic switching brings the switchto the input then the ... s volume control brings the attenuatorto the input the volume knob actually ...