The P-box offers a three-sided configuration for desktop applications. In addition to desktop applications, the P-Box has a variety of mounting holes on the back for additional flexibility. Loop-through connectors on the side allow for easy intercom cabling. In single-channel configuration, connectors are 3-pin male and female XLR. In dual-channel configuration, XLRs are 6-pin. Inside the P-Box loop-through XLRs are connected to the speaker station terminal block via pre-tinned leads.