2-Way Window Intercom System, High-Power Voice Transmission Speaker for Bank, Hospital, Station & Store Counter

[Two-way intercom technology] This window intercom system utilizes automatic two-way communication technology. Once the host is connected to the power supply and the extension is linked to the host via its audio cable, it automatically detects voice signals, enabling real-time, effortless intercom with no signal lag for an enhanced experience. [Machine function upgrade] This 2-way intercom system features a classic body design with a distinctive structure that is not only attractive, clean, and elegant, but also offers improved and more robust durability. It includes a convenient push-button switch, a work indicator for clear status, and a work knob for volume adjustment. [Machine quality upgrade] The window speaker intercom host and extension are linked using a 4-core high-strength aluminum foil shielding cable, which provides enhanced anti-interference capability, prevents screeching, and ensures clearer, more natural sound with superior audio quality. [Easy installation and use] This intercom system is simple to set up. Just connect the host and extension with the audio cable, attach the power adapter to the host and the power supply, and you can readily achieve high-quality intercom with straightforward operation. Speaker for glass window. [Wide application scenarios] This intercom system is appropriate for bank windows, hospital windows, post office windows, securities windows, embassy visa offices, securities companies, scenic ticket offices, stations, cruise ship docks, restaurants, stews, and other locations. It is a dependable and reliable intercom system, functioning as a microphone speaker for teller windows