Spon DWT-6507A&B - Window Intercom

● Mainly used for the audio intercom in bank counter, expressway charging window or hospital registration window.
● Adopting industry-leading DSP (Digital Signal Processing) multichannel audio technology, effectively preventing howling and channel disturbance, realizing HD digital full duplex intercom.
● Adopting metal button for the internal unit, every button has its own status indicator lamp to indicate the real-time operating state of the internal unit.
● Being able to recognize the sound source and suppress the ambient noise, automatic volume adjustment.
● Offering three different scene modes (noise/standard/quiet), rotary switch adjustment.
● One single combined cable out of the internal unit to realize all the connections (including the external unit, power supply, recording output and local area network), effectively avoiding loose connection and maintaining a clean and tidy desktop.
● Professional metal cavity structure design, completely eliminating the resonance of the device, ensuring a pure & natural sound quality.
● Equipped with 1×Recording Output interface for synchronized audio recording via third-party recording device like DVR.
● Being able to intelligently self-check the connection status between internal & external unit, warning tone will be activated automatically whenever the connection fails.