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 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.