Reply To: BeoSound 3200: is the AUX connection IN and/or OUT? July 5, 2022 at 11:40 am #6538 Die_BogenerBRONZE Member Topics Started 1Total Posts 35 Just guess…. B&O compatible, not standard. Just connect a Beocord 6500 or 7000 … just B&O. It will work on play and record.