Summary: Type: component speakers; The number of bands: 2; Power: 35 W (nominal), 140 W (maximum); Sensitivity: 90 dB; Frequency range: 40 - to 30,000 Hz; Additional information: Acoustic system for the installation of the component dynamics flush. WOOFER material diffuser: polypropylene. Weight: 490, For cars of the brands Alfa Romeo, Citroen, Fiat ...