JBL 1.6" SUPER TWEETER 150 W RMS @ 8-OHMS - SINGLE 1.6" SUPER TWEETER 150 W RMS @ 8-OHMS - SINGLESuper tweeter for outstanding detail and clarity in high frequencies without harshness. The ST450 TRIO may be used individually in lower power systems or arrayed for increased coverage and SPL in higher power systems. The base and diffuser are constructed of aluminum contributes to better heat dissipation of the coil moves, with finish machining of diamond (diamond tool) and varnished. The bullet shape horn design offers a longer throw 40 x 40