Interpreter Console Schematic

Looking for someone that can create a schematic drawing for a custom interpreter console with the following inputs and outputs. Left Side (Interpreter 1 Connection): TRRS Audio Jack (In - Mic, Out - Headphones) Volume Adjuster Right Side (Interpreter 2 Connection): TRRS Audio Jack (In - Mic, Out - Headphones) Volume Adjustment (Headphones) Top: 4 way switch [Off, Interpreter 1, Both, Interpreter 2] Mute/Cough Button (open/close button for interpreter 1) Mute/Cough Button ([login to view URL] button for interpreter 2) Back: Power Audio In ("Main"): XLR (In gets wired to headphones) Audio Out: XLR ("Main" Signal boosted audio out to next console) Audio Out : AudioJack TRS ( "Main" out to external speaker) Audio Out: AudioJack TRS ( from Interpreter Mics)