The k 165 uno system features a 24 mm (0.9') diaphragm neodymium tweeter with pei dome, for a brilliant reproduction of high frequencies in a compact size. The annular acoustic lens is optimized for exceptional off-axis performance, ensuring an accurate stereo image. The 6.5” woofers features a pressed-paper cone with foam surround, for high spl and solid bass. The 25 mm (1') woofer voice coil ...