Output jack for all Godin HDR equipped electric guitars, Godin A6 Baritone, A6 Ultra, A8, A12, Acousticaster Deluxe, Montreal Premiere LTD, Multiac Grand Concert Deluxe, Multiac Grand Concert Duet Ambiance, Multiac Grand Concert Encore, Multiac Gypsy Jazz, Multiac Nylon Deluxe, Multiac Nylon Duet Ambiance, Multiac Nylon Encore, Multiac Nylon Emcore 7, Multiac Steel Doyle Dykes.