>>Now they need to make an outdoor/inwall EP600...

Not required, except maybe for music. Outdoors you can use real explosives and get that extra touch of authenticity in the action films.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8