STS-K003 Window Intercom System The STS-K003 Window Intercom System provides clear, natural communication in environments where normal speech is impaired by security glass, partitions, or safety screens. Designed for use in banks, pharmacies, government offices, and other secure customer service settings, this system ensures reliable, full-duplex communication between staff and customers. Included Components: STS-A31H Window Intercom Amplifier – Provides full open duplex communication and system control. STS-SU1-3W Staff Unit – Combined speaker and directional microphone with dual mute functionality for privacy and noise control. STS-S61 Flush-Mounted Speaker – Discreet customer-side loudspeaker designed for surface integration. STS-M56 Flush-Mounted Microphone – Omni-directional customer microphone offering clear voice pickup through barriers. IL-AE99 Under-Counter Hearing Loop Aerial – Assists hearing aid users via induction loop technology. PS-55 Power Supply – Level VI energy-efficient power source for system operation. The STS-K003 is an all-in-one communication solution that meets modern security, accessibility, and performance requirements for service environments. Downloads Product Data Sheet Installation Manual