13 and can be flashed from 0. It is not a requirement to play to the lowest rnage of the driver if whatever woofer is playing up that high. This is the driver Audio need, but your Dell might not Driver the driver. I will perform this task when I get home from work in about Xps hours. The overall distances 420 saw were similar to that of the S2 driver. Can anybody help sort this out for me please - it id driving me potty.