SX 690 is a real beast with a Hi-SPL Mid-Hi unit based on 1.4-inch dome tweeter and 1-inch dome super tweeter with resettable solid-state protection circuit. Cone are made with nature-proof high stiffness pressed-paper featuring innovative water/humidity resistant and anti-UV treatments. The double layer copper voice coil, wound on polyamide former ensures unparalleled power handling. New motors units are made of special Neodymium N38 H to obtain a minimum bulk and increased performance.
(SX690NEO)