Intelligent design meets multizone audio. Intelligent Amp Assign automatically assigns amplifier channels to certain speakers, depending on what speaker layout is selected. For example, in a multi-channel system, when the second zone is turned off, all channels will be used in the Main Zone. However, when a second is powered on, the power to the two surround back channels will automatically be redirected to the two speakers in the second zone and the Main Zone will receive two-channels of power. Similarly, when CINEMA DSP 3D is on, the two Front Presence speakers will be powered and not the two surround back speakers. When CINEMA DSP 3D is off, this situation is reversed. Thanks to Intelligent Amp Assign, there’s no need to switch the speaker cables on the rear of the AV receiver.