Haven't tried the Dectet yet however, it appears to consolidate several PS Ultimate Outlets in a single unit.
I recently (four months ago) added two 20amp high-current Ultimate Outlets running off a dedicated line. One handles digital and the other is for analogue.
The effect on my system was dramatic. Much lower noise floor, deeper/wider soundstage, better bass and transparency on top. Plus pace and timing improvements that make it hard to listen without tapping a foot or bouncing to the music.
If the Dectet incorporates improvements over the Ulimate Outlet it should be very good.