- In comparison to Sonetto I, this is a bigger 2-way shelf loudspeaker system. Its high performance features a larger mid-woofer, which is capable of ensuring more wider downwards frequency response and a greater emotional impact. Besides its dimensions, Sonetto II still has the capability to disappear in the environment, with an elegant and graceful style. - 2-way shelf loudspeaker system. Vented box design. - Tweeter: High Definition DAD™ driver. DKM dome diaphragm, 29mm - MWoofer: Custom diaphragm made with cellulose pulp and other natural fibers, 165mm - CROSS-OVER: 2650Hz - FREQUENCY RESPONSE: 42 Hz – 25.000 Hz - SENSITIVITY: 87 dB SPL (2.83 V/1m)