man its hard my bro keep telling me that mb quart qs216 and ideal dynamics ctx65cs are better and I have research a lot and they both got excellent reviews speacially the mb quarst it seems everyone that get them given 5 start reviews, RE xxx like the one the guy its selling, looks good but Im not to familiar with the brand I tried looking on the internet but no luck, im a college student and I have beign savind this money in a long time so Im kind of nervous how about if I get the RExxx and the mb quart or the ID were better for the money lol, sorry my indecision guys can some one detailed me way the RExxx would be better than the other two ???