Hertz SX 690 NEO coaxial speakers with grille (164x235 mm).

Hertz SX 690 NEO (SPL SHOW series) 3-Way coaxial speakers 6"x9" with grille (164x235 mm). 

SX 690 is a real beast with an Hi-SPL Mid-Hi unit based on 1.4” dome tweeter and 1” dome supertweeter 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.