Composed of Andrew Jones Designed re-engineered for 2012 Pioneer^® SP-BS22-LR (two pairs) bookshelf speakers, the SP-C22 center channel speaker and the SW-8MK2 subwoofer, this 5.1 channel surround sound system gives your senses exactly what they want: the means they’ve been looking for to get closer to your favorite chase scenes, explosions and rock bands, and experience them as they were meant to be heard.