Tweeter 25 mm (1”) TPTTD, TTP, TPAF Midrange 133 mm (5.25”) TPACD Bass 2 x 165 mm (6.5”) TWCD Recommended Amplifier Power 20~280 W Dimensions(H x W x D) 108.9 x 25 x 34 cm (height incl. base, excl. spikes) Weight 48.8 kg / pair (incl. bases)