This solo hd of headset timbre and its appearance style are very alike -- again, very thin. beats solo hd voice very open seem a bit too thin, Fabulous Monster Limited Edition GOLD low frequency partial hard, descend not beautiful but speed feeling good. discount solo hd hf performance is good, accurate and not mellow, intermediate frequency performance is regular. Overall Classic Monster Powered Isolatio black voice more features, more suitable for listening to electronic music or part of the pop.