The SB-704 is a 2RU four-channel switchboard main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, a switchboard matrix, and a regulated fail-safe power supply.

The MS-704 is a 2RU four-channel main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, and a regulated fail-safe power supply.

The MS-702 is a 1RU two-channel main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, and a regulated fail-safe power supply.

Encore two-channel portable headset main station. Built-in 1-amp (2-amp peak) power supply. Three XLR-3 Male connectors for each partyline A and B, one XLR-3 female for Program Audio in and one XLR-3 Male for Stage Announce out on the rear panel.