The Bose F1 Model 812 Speaker allows you to control its vertical coverage pattern with ease. Simply push or pull the array into position to create "Straight," "C," "J," or "Reverse-J" coverage patterns with this sound system. Thanks to its advanced EQ system, the F1 Model 812 automatically adjusts its tonal balance for each coverage pattern, ensuring optimal sound quality no matter where you are. Whether you're playing at floor level, on a stage, or facing raked seats or bleachers, this Sound System can adapt to match any room. Equipped with eight high-output mid/high drivers, a high-powered 12-inch woofer, a lower crossover point, and a 1,000-watt amplifier, the F1 Model 812 delivers high SPL performance while maintaining vocal and midrange clarity that's dramatically better than conventional loudspeakers. Upgrade your sound system with the Bose® F1 Model 812 Flexible Array Loudspeaker and experience powerful, flexible, and high-quality sound like never before.