[. . . ] [. . . ] Rated Input : 90dB/W (m) : 27W Frequency Response / Impedance 110 100 90 80 70 60 50 (db) 20 Hz 50 100 200 500 1000 600 300 Impedance 64 32 16 8 4 Music Power : 80W Equivalent Diaghram Radius : 80mm (3. 150 in) Equivalent Mass Magnet Weight Net Weight Fs Re Qts Qms Qes Vas Xmax no : 18. 6g (0. 041 lb) : 907g (2. 000 lb) : : : : 4. 4kg (9. 700 lb) 30Hz 7. 3 ohm 0. 32 2000 5000 10000 20000 Dimensions & Mounting Information : 2. 63 : 0. 36 : 98. 96 L : 2. 0mm (0. 079 in) : 0. 767% [. . . ] [. . . ]