The AMP-HD-2GBFP has a 3.5mm line output connector to connect with additional amps and third party devices such as assisted listening and a CAT5 line output to connect signal and power to additional AMP-CAT amplilfiers.
In wall amplifier fits into 2 gang in wall box. 3.5mm connector on faceplate and RJ45 connector to integrate with OWI volume controls and mini mixers. The AMP-HD-2GBFP also a second input that can be configured to be an override input.