I don't need the extra power, I need a more resolving sound. The HO and LO of the DX50 sound very different.
For instance, the LO is basically on par with the LO of the audinst hud-mx1. It sounds different, but regarding sound resolution, they are pretty even. But the HO of the hud-mx1 sounds quite a bit better, atleast with my custom ears BA4f. I do find that I lack some clarity and attack/speed on the HO of the DX50.
So it's purely about the quality of the signal, not the strength of it.