Yes, some headphone amps can serve as a pass-through as Brian describes, to make them monitor controllers. Press a button and it cuts off the feed to the powered monitors. My GraceDesign m900 does this.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.