George Michael's music wasn't in the room, but it was in my head. Despite my telling him to please shut up, he belted "I want your SX" as soon as I'd entered the Schaumburg F ballroom at the Renaissance Schaumburg Hotel during AXPONA 2026. Apparently, the invisible English singer was serenading Stenheim's Reference Ultime Two SX speakers ($200,000/pair and up, depending on finish). Each three-way Stenheim tower sports five drivers: two 12" woofers, dual 6.5" midranges, and a single 1" soft-dome tweeter in a ported D'Appolito array.
The Swiss-built product is unusually efficient…