Machined cast aluminum basket - Epoxy resin and glass fiber cone - Butyl rubber surround - Long life “Conex” damper - 38 mm (1.5 '') voice coil with kapton former - 110 mm x 20 mm (4.3 '' x 0.8 '') motor assembly - Thick magnetic circuit 5 mm
2 WAY COMPONENT SPEAKERS SYSTEM System includes two 165 mm (6.5”) woofers, two 20 mm (3/4'') high resolution dome tweeters and four external crossovers.