I am a fully licensed supplier.
EARTHSHAKER -SOUND
SKU: SND-EARTH
C$48.00Price
SET OF 4 (U4.L1/U19.L1/U21.L1/U22.L1)
Williams: Earthshaker
ROM Revisions
Sound Version L-1
U4 : Checksum: E6B0
Speech Version L-1
U19 : Checksum: 8EAF
U21 : Checksum: E354
U22 : Checksum: 6C4C