api 500 slotThe 500VPR is internally wired for PIN 2 hot, and comes with the API L200PS. The inputoutput jacks are both XLRs. The 500VPR can hold up to ten API modules.The new 8-slot lunchbox includes all of the features that have made the 6-slot lunchbox (500-6B) so well regarded in the industry, including DB-25 (D-Sub) connectors for easy IO, universal