Compatible with 2700 Series, System Two Cascade, and System Two Cascade Plus.
Version 3.3 SP1 (Service Pack 1) adds support for 64-bit Windows 7 using the APIB-USB adapter. The OPT-2711 (Dolby Digital generator option) is not supported. Instruments with OPT-2711 installed will function correctly on a 64-bit PC, but the Dolby Digital generator will not be available.