Sensitivity (SPL) 86dB (2.83 Vrms input) Frequency Response 60Hz - 20kHz Impedance 4 Ohms Drivers 1 x 6.5” (165mm) woofer. 2 x 0.5” (13mm) tweeters. Speaker Dimensions (H x W x D) 97 x ø 240mm (3.8 x ø 9.4”) Weight 1.28kg (2.8lbs) Previous Painting the speaker grille and frame