AAP audio KW 218
The powerful RX628S sub bass system has been designed to be used with large scale RX612 and RX613 systems to extend and increase the total low frequency output power.
It can also be used as the low frequency section of a bi amped or tri amped ARCS system.The RX628S provides good bass punch with extended sub bass output from two new, long excursion, 18″ 460mm/4″100mm voice coil drivers with water resistant cones and triple roll surrounds.