Good morning from France, Tony.

Please provide a connection diagram or description of your setup. When you say "Bose speaker amps", I assume that they are powered speakers connected to the main outputs (Outputs 1 & 2) on your Focusrite audio interface (which model?), and that the Focusrite is connected via USB to your computer. Are you using the Focusrite ASIO driver (Focusrite Control 2) or Windows Audio? How is your Roland SD-50 connected? Via USB to the computer or via MIDI to the Focusrite? How is it's audio outputs connected? To a pair of inputs on the Focusrite? Add any other info that might help in answering your question, like how is BiaB's audio output configured vs Windows audio output.


ThinkPad i9 32GB RAM 7TB SSD; Win11 Pro; RME Fireface UCX II; BiaB 2026 Ultra
Studio Pro 8; Tonalic Studio 1; Reaper v7; Bitwig Studio 6; Melodyne Studio 5
Gig Performer 5; NI S61 MK3; Focal Shape 65; Beyerdynamic DT 880 & 770