The K 130 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 5” woofers features a pressed-paper cone with foam surround, for high SPL and solid bass. The 25 mm(1') woofer voice coil driven by a high-flux density ferrite magnet offers a highly dynamic power handling for a powerful undistorted sound. The 6dB/Oct crossover is integrated on the tweeter wiring for an easy OEM upgrade.