the stock bose system is a 2000 model from the G20 and i think it will fit the p10 if your stock speaker is 6.5 inches...as for the rms on the jbl, its 1200 watts rms X 1 at 2 ohm and 600 X1 at 4 ohm, distortion at .1 %, frequency response is 20hz to 500 hz.