Width 303 mmDepth 400 mmWeight 51 kilosRecommended power 40 to 400 WEfficiency 93 decibelsImpedance 8 ohmsBand width 33 hz to 40 khzBass 3 X Grave 180 mm à membrane WMedium 165 mm "width"Tweeter dome inverted Beryllium pur de 27 mm