The 440 series is Clear-Com’s most advanced party-line intercom system. Each station is a four-channel intercom with superior audio and versatile channel access to provide unmatched communication flexibility. All front-panel controls are intuitive and easy to operate. The station’s front-panel buttons are programmable and can be customized for a wide variety of applications that will meet the demands of any stage, studio, or field producer. Separate volume controls for every channel ensure the perfect audio mix in the headset or on the integral speaker. The SB-440 includes a versatile switching matrix which allows up to ten different groups of stations to be assigned to any one of the four channels. A convenient “link” feature ties all four channels into one giant party line for rehearsal or staff check. The stations have adjustable mounting ears that can be removed for desktop operation. The regulated power supply in the MS-440 and SB-440 provides power for the entire intercom system. These stations have front-panel short-circuit indicators to show if a short has occured on any of the four intercom lines. Other features include separate audio sources for all intercom channels and three built-in IFB program interrupts for talent cuing