pioneer , player mixer an equalizer amplifier 8ohms speaker alll.... about psy music an lot of collection of psy trance cd's i love psy trance music its realy cool .... this music one of my best time to relax an chill out ....it is more interresting in my life an i love to hear an play music every time ; psy is more power an the music is number one....an realy fullpower..i love it.... didrapest, indra ,vibe- tribe bizzare contact electro sun visual contact melicia gms, astrix , system nipel