Extraordinary impact of sound and complete, with a high power handling and the ability to generate high SPL values. HCX 690 has the membrane fibers Mesh damped woofer, damping materials combined with fiberglass cloth, the soft-dome tweeter in Tetolon ® and is complemented by an exclusive super tweeter, thanks to the dome light, which also Tetolon ®, and a powerful neodymium magnet, extended treble response to 30 kHz. Equipped with the innovative ventilation system with a radial copper coil wound on a KSV, high performance records for both the exceptional thermal stability and mechanical. Designed to be installed in narrow shelf or predispositions, the coax HCX 690 exhibits a carefully studied the frequency response and linear across the range.