I have two. This is presqu'1 year since I use them with a pair of JBL JRX 115 sf and 25. Previously I tried the Peavey QW 118 and the JBL MRX 118S. Rfrant me on the opinions of this site I opt for rcf. These subs are good quality trs. Trs is rare to find that now. They are amplified dj makes a rack amp and less transport. The bass is round and discrtes trs. I urge all the people my (Martinique) use their sound system or after-gigs as ragga, dancehall to the stand trs well. Good quality price. I would do this choice with his eyes closed.