Here is a close-up photo of the left side of the rear panel on the Atlona AT-LINE-EX which shows the receptacle for the AC power adapter and the two provided HDMI inputs. The HDMI inputs can pass both audio and video signals through the AT-LINE-EX. If the incoming video signal is already 1080p, it will passed through unchanged. On the other hand, resolutions lower than 1080p are scaled according to how the user sets the unit's resolution output setting.

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