Pro Intercom HS2MTL Desktop Headset Station Multi Circuit with Xenon Signal LampThe heavy metal cabinet used by this 'T' version has key hole slots for wall mounting and plastic feet for the desk top. The HS2TL along with a handset is the ideal audio mix intercom station, either front of house or stage monitor. By the addition of a front panel rotary switch, the HS2TL can be converted to a multi circuit version, the HS2MTL, with which the user can choose from any one of 4 circuits to communicate. Frequency response has been