


TH804B, as a professional hotline telephone access and control device, can be used by various radio and television stations in live broadcasts, as well as for telephone conferences, telephone recordings, and other occasions.
Features
Adopting microcomputer chip and electronic switch technology, each control is independent of each other, and the operation of cutting in and out is convenient and flexible
It can achieve simultaneous access to four telephones, allowing listeners and hosts, as well as listeners and listeners, to set up multi-party communication and free conversation, or implement call holding and separate conversations
Provide audio and control interfaces for two main and backup live streaming rooms. Simply add a control box and corresponding control cables to achieve time-sharing sharing of a set of hotline devices between the two live streaming rooms
Each channel is equipped with a side tone adjustment switch, which can achieve better telephone sound quality
The control box is equipped with built-in communication devices, including a microphone and speaker (the host can switch the call output to the mixing console or headphone distributor), and has a call button for internal communication
The no director mode is suitable for automatically answering and switching hotline calls when only the host is present

