Spc Direct X Sound System - Expanded Stage 1.0

3 Speakers: 2 front and 1 rear normal stereo sound with background effects.

Spc Direct X Sound System - Expanded Stage 2.0

4 Speakers: added one speaker rear only for more volume  (acts like 3 speakers only rear is more loud)

Spc Direct X Sound System - Expanded Stage 3.0

4 Speakers: Added system  to cycle rear/front (not only rear effects) (acts like 3 speakers)

Spc Direct X Sound System - Expanded Stage 4.0

4 Speakers: Added 1 coded channel, so there are 4 speakers acting independently.

Spc Direct X Sound System - Expanded Stage 5.0

5 Speakers: 4 Speakers + 1 Subwoofer for deep effects (System is acting like Spc Direct X Sound System - Expanded Stage 4.0)

Spc Sound Studio LABORATORY