Two high-performance powered subwoofers have been designed to simplify the process of creating active 2-way systems. The PFA15S consists of a 15" speaker mounted in a horn-loaded enclosure that produces extended low-frequency response from a compact cabinet with plenty of punch. The PFA18S is an 18" direct vented radiator that exhibits outstanding transient response and is Capable of high sound pressure levels. Stored factory DSP presets are optimized for combinations with the PFA12 and PFA15, as well as other compatible full-range NEXT-proaudio cabinets. Special presets are also provided for cardioid and bass arrangements. There is a powered audio output socket, providing up to 550 Wrms into 4?, for connection to a passive satellite cabinet. a horn-loaded enclosure that produces an extended low-frequency response from a compact cabinet with plenty of The PFA18S is an 18" direct vented radiator that exhibits excellent transient response and is capable of delivering very high sound pressure levels. The presets Stocked factory DSPs are optimized for combination with PFA12 and PFA15 as well as other compatible full range NEXT-proaudio.Special presets will also be provided for cardioid and bass arrangements.There is a feeder audio output socket, that provides up to 550 Wrms in 4?, for the connection of a passive satellite cabinet..PZA MORE SPECS