The perfectly matched woofers

deeper bass reproduction at low and medium volumes without running the risk of mechanically or electrically overloading the subwoofer at high volumes

If you pick up the small VX2000PRO and take a look at the datasheet

Technical data Usina power supply unit

but equipped with the latest technology: Incomparable high-res sound quality thanks to twice the computing power compared to the predecessor

GZRB 25SPL Port The perfectly matched woofersThe Ground Zero GZRB 25SPL was developed for demanding car audio applications and combines high power handling with powerful, deep bass reproduction. The aerodynamically optimized bass reflex enclosure ensures high efficiency and precise low frequency responseideal for high performance everyday systems as well as SPL oriented setups. The sturdy MDF enclosure, reinforced paper cone, and robust protective brackets ensure a long service life even under