The Audience 72SE receives the ESOTEC tweeter, originally developed for the Dynaudio Contour S series models, which features a powerful magnet system with a multiple-coated fabric soft dome and an ultra-light aluminium wire voice coil. Both mid/bass drivers were updated from the standard model 72 as well. The same powerful high-performance units from Dynaudio's venerable Contour 1.8MkII, with their characteristic MSP (Magnesium-Silicate-Polymer) one-piece cones, large (75 mm) diameter lightweight aluminium wire voice coils and powerful centered magnet systems integrated into extremely rigid, die-cast aluminium frame baskets are used in the Audience 72SE. Sensitivity (dB @ 2.83V/1m) 86 IEC Long Term Power Handling (W) 230 Rated Impedance (Ohm) 4 Box Principle Bass reflex front ported Crossover 2.5-way Tweeter 28 mm Soft Dome Midrange/Woofer 17 cm MSP Woofer 17 cm MSP