6.5-Inch High-End Woofer High-end 165 mm (6.5") woofer / midrange driver with torsion-resistant carbon fleece sandwich cone and aluminum dustcap. The woofers / midrange drivers have extremely powerful ferrite magnets with polished drive components and large core bore. The heavy-duty 37 mm voice coil is the guarantor for an extremely powerful, dynamic and contoured music reproduction. The ETON typical aluminum die-cast basket geometry with its open design ensures optimum cooling with maximum torsional rigidity. In combination with the anodized aluminum dustcap, the resulting heat is optimally dissipated. The high-quality connection terminals and the symmetrical stranding guidance are details that underline the claim of this system. Eton GRAPHIT 16 is a dynamic and balanced sounding high-end system. Whether hard kick bass or smooth voice reproduction, GRAPHIT 16 convinces with incredible precision and spatiality - a system in a class of its own for true sound enthusiasts! Features: High-end 165 mm (6.5 inch) woofer/midrange with carbon fleece sandwich cone, anodized aluminum dustcap for optimized heat dissipation and symmetrical stranding guidance with voice coil ventilation. Extremely torsion-resistant die-cast aluminum basket with optimized ventilation and strong ferrite magnet, 4 ohms impedance, 90 W RMS rated power handling, 140 W music power handling, 87 dB characteristic sound pressure Made in Germany manufacturing and development. Specifications: Bass / midrange: 165 mm (6.5") Impedance: 4 Ω Nominal power: 90 WRMS Music power: 140 W Sound pressure level: 87 dB Outer diameter: 165 mm Installation depth: 68.8 mm