The Mk IV SE is supposed to be an upgraded version of the Mk III, with a premium price. How does the Little Dot Mk IV SE differ from the Little Dot Mk III? Well, both are OTL (output transformer-less) tube amps, made by Little Dot in China. Ek Kasak Dil Ki Dil Mein Title Song Mp3 Free Download. The base Crack was always been a bit too soft. Compared to the Bottlehead Crack, I've always enjoyed the Darkvoice more. As far as I can tell there may only be one member that might still have an older Darkvoice and again one other.