New Wave Bell Games
NEWWI2.764   2764 Eprom (mounted Mem Ex2 on J5 on MPU board)
NEWWu3.532   2532 Eprom (U3 soundboard)
NEWWu4.532   2532 Eprom (u4 soundboard)

Soundboard seems to be a Cheap Squeek (same as black pyramid)

Sound rom U3 is the same as in black pyramid, Sound rom u4 differs a bit

MPU rom is different (compared to black pyramid)

Greetings Oliver