Tweeter 25 mm (1”) TWG Midrange 165 mm (6.5”) Bass 2 x 203 mm (8") Recommended Amplifier Power 20~180 W Frequency Response 30Hz – 25kHz Dimensions(H x W x D): 105 x 25 x 34 cm (excl. feet / spikes) 109.5 cm (height incl. feet / spikes) Weight 39,6 kg / pair (excl. feet