STW 1000P is a passive powerful subwoofer, equipped with top-graded 18" woofer and delivers 1000W RMS continus on 8 ohm. It's the perfect choice to increase the low frequencies performance of a PA system, both in terms of output and frequency extension. Suitable for every musical genre, both indoor and outdoor whenever maximum efficiency in low frequencies and long range are required. Cabinet features a structure designed to cancel any form of parasitic vibration and it's protected with special scratch-proof paint. The protective grill is transparent to the sound and crash-resistant.