WORKS LIKE A CHARM
I bought this unit to put between our TV line output and an audio amplifier we use for sound reinforcement. The sound levels were hard to control before we got this unit, but it does a great job controlling levels once I got it tweaked, took one evening of listening and the second of trimming to suit our situation. The inherent noise level is very low, and the sound from it is transparent, as far as my old ears can tell.
Part of my background is Radio-TV-Film and working at college and commercial stations for many years.
Nice unit overall, clean design, easy to setup with a little time spent learning the unit. No hesitation recommending it. And, Sweetwater has been EASY to deal with.