2-3 Weeks. Combining a VS-2400CD and a SI-24 Studio Interface, this powerful new bundle expands the VS-2400CD with additional motorized faders and I/O, including eight extra phantom-powered XLR inputs, which can be routed digitally to the V-Studio via the 8-channel R-BUS port. Its an attractive, cost-effective package that enhances the VS-2400CDs recording/mixing power it's a win-win!