I looked and this is what I found,,,,,Power handing 50 watts---25 wattsRMS -----aseable freg.responce 70HZ-20KHZ---woofer 4'' x 6'' cone---mounting depth 1.50'' I hope this will help you...these speakers were my son's he got them awhile ago,,,he never used they so I am auctioning they.I think they are several yrs. old,but he NEVER used them,,,