This subwoofer ensures maximum excursion (20mm Linear Excursion) and performance without compromising on sound quality ^^ The carbon fiber dust cap and pulp-mica cone body are meticulously crafted to deliver durability and crystal-clear bass, even at high volumes ^^ Triple-stacked high power strontium ferrite magnets ensure impeccable control and responsiveness ^^ The addition of an open mesh style protective grille not only enhances its durability but also ensures your subwoofer remains safeguarded without compromising appearance