I get what the 7 means (center, front left & right, side left & right and rear left & right), I can even take a guess at the 2 (2 subwoofers) but the 4 has me stumped.
Lots of us do. Please take a look at these threads:
Turntables
The Vinyl Bar
I get what the 7 means (center, front left & right, side left & right and rear left & right), I can even take a guess at the 2 (2 subwoofers) but the 4 has me stumped.
Lots of us do. Please take a look at these threads:
Turntables
The Vinyl Bar