if am not useing headphones the speaker system i use is Creative Gigaworks S750 7.1Ch THX Certified Speaker System this rocks the trailer but then i get complaints from the trailer next door, i would recomend this anytime.
wot you need is an Creative’s Sound Blaster X-Fi Elite Pro and some M-Audio IE-20 XB Professional Reference 'In-Ear' Earphones with Extended Bass
you can hear an ant fart at 200mtrs away