US Patent 9490763 Audio signal output device and audio output system

This audio signal output device includes an audio signal output portion, a volume setting information acquisition portion, and a control portion acquiring maximum volume information of volume information of an audio signal of content. The control portion is configured to calculate the maximum output volume of an external device on the basis of the maximum volume information of the content and volume setting information of the external device and perform control of lowering the output volume of the external device when the maximum output volume is higher than a prescribed volume threshold.