ESX QXE 462

10 x 15 cm (4 x 6") 2-Way Coaxial Speakers (Pair)Power Rating 70/140 Watts RMS/max.Impedance 4 Ohm Frequency Range 68 - 22000 Hz 25 mm Voice Coils 6.4 oz (0,18 kg) Magnet Drivers 20 mm Silkdome-Neodymium-Tweeters Installation Depth 52 mm Installation Opening 87 x 143 mm