I was initially a bit confused about this product, thinking I could slave it from the F1320D monitor. Sadly this is not the case (due to capabilities of the F1320D not this monitor - you can slave it from appropriate monitors), but I found a solution by using the powered monitor out from my PMP4000 and I can safely say that I am very impressed with the sound quality from this monitor. As most people will, we use this for vocal foldback mostly with a low mix of the rest of the band and it reproduces the frequencies very adequately - thumbs up!