8” Kevlar Neo Woofer and adjustable Neo3PDR Planar Ribbon Tweeter. 50Hz – 25kHz, 88dB, 8Ohms, 100WRMS. 12.94” x 10.06” x 3.88”. 3.5 lbs. BG Radia’s award-winning planar Ribbon Tweeters deliver wide dispersion, balanced coverage, and an extra wide “sweet spot”. Best-in-class performance with superb imaging and accuarcy. Ultra high-performance Kevlar woofer. Rugged, reinforced frame and rust-resistant metal grills.