Why is my Android TV Box waking up from suspend/sleep when I change my TV's input?

Just bought a new Android TV box from Amazon (Binwen Android 6.0 Amlogic S905X Quad Core 3D 4K Support 2.4G Wi-Fi 1GB/8GB). For some reason, when I power the box down using the "Suspend and Resume" option, the device will go to sleep but wake up from that sleep/suspension as soon as I change my TV's input to my Cable input. No idea why, just wondering if you had any ideas? Thanks.

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