JBL GTO327

Plus One (patent pending) woofer cones - The GTO327 has a cone with more surface area than competing models of the same size. The benefits of Plus One are greater efficiency and bass output.My-Ti (Mylar/titanium composite) tweeters. Stiff and light, extremely efficient, JBL’s new My-Ti tweeters deliver the high-frequency extension of titanium domes with the damping of composite diaphragms.True Four Ohm - GTO series speakers can be safely driven by any head unit.