I like the SDX a bit better, however, the ED has more output and is quite a bit less money, thats pretty sweet IMO. It all depends on what is important to you, if you want to save money, the 19ov.2 is pretty sweet and will not disappoint, a lot of people love this driver in the commercial sub section, its earned a good reputation. However, it looks the SDX is worth the extra coin if you can spare it.