[. . . ] [. . . ] : 102dB/W (m) Music Power Cutoff Frequency : 50W : 2. 5kHz Recommended Cross-over Frequency : more than 5kHz Magnet Weight Net Weight : 340g (0. 750 lb) : 4. 7kg (10. 362 lb) Dimensions & Mounting Information [. . . ] [. . . ]