I have one for about 6months, he turns on two big subwoofers (wbin in rcf). I did not have much to add to its record low for the record they are on the forum ...
parcontre I used it several times on the full range Electrovoice, and it's Armageddon! power and dynamic allucinante. I did the test with a crest audio (entry level) on Electrovoice, and there's no pictures ...
very good for bass, very good heads. j'file buy another one this after noon