Speaker Type: 2-1/2-way Triple 8” In-wall Loudspeaker • Low frequency transducer: Three 8” (200mm)cast-frame, Advanced Aluminum Matrix cone woofers • Mid/High frequency transducer: D2415K, 1.5” (38mm), dual annular ring Teonex® diaphragm compression driver mounted to Sonoglass® horn/baffle • Maximum recommended power: 450 watts RMS