it is 8 10 in.dvc farenheits with 2 power coustics concepts 100watt amps. I am in the process of redoing it now cause it only hit a 152 and i know it will do better that that.but i also have an orion 4 channel pushing 450 watts on 26 other mids and tweets.i put it on a meter the otherday at the radio shack and it hit a wopping 171 so i am going to keep it like this and going to take it to nopi nationals in atlant georgia on Sept 20 and 21.Hope to see ya there