The pair of JBL 9300 2-Way Passive Cinema Surround Loudspeakers feature a 1" HF horn and 10" woofer. The horn offers studio-quality performance with pattern control tailored to multiplex theater geometries. The loudspeaker uses a wave shaping vane which distributes acoustic energy in proper proportion to the room.  This technique provides a wavefront that is sculpted to the room geometry and provides very precise mapping capability. This shaping also allows the loudspeaker to orient to the wall naturally while directing the acoustic energy to the seats.