Black Box AC1124A 2X4 DVI MATRIX SWITCH WITH AUDI O 822088053057 Showing all 2 results Black Box 2X4 DVI MATRIX SWITCH WITH AUDI O AC1124A $320.35 Add to cart Add to wishlist Sale! Black Box 2×4 DVI Matrix Switch With Audio – 1600 x 1200 – UXGA – 2 x 4 – Display Speaker4 x DVI Out O $405.17 Original price was: $405.17.$320.35Current price is: $320.35. Add to cart Add to wishlist