Wired Hand‑in‑Hand Discussion Main Unit

Model:AS-8820   Guangzhou Jodie Audio Equipment Co., Ltd.

✅ Adopts digital‑core design with high‑performance CPU, supporting discussion function and HDMI video output. ✅ Audio signals are processed by 32‑bit high‑speed floating‑point DSP, delivering pristine sound quality with 20Hz‑20kHz frequency bandwidth. ✅ High‑performance switching power supply; long‑distance transmission brings no audio quality degradation. ✅ Anti‑interference circuit design eliminates interference from mobile phone signals. ✅ Built‑in 2.8‑inch LCD screen with independent push‑button operation. ✅ Two microphone loops, each supporting up to 50 units, total 100 units. Max 10 chairman units. Expandable to 512 conference units with expander. Equipped with traditional 8‑core hand‑in‑hand port and 4‑channel RJ45 network ports. ✅ RS‑232 interface for central control codes, compatible with central control system. ✅ Multiple audio input & output interfaces for sound reinforcement or recording devices. ✅ USB local communication with PC for system configuration via software; on‑device setting without PC supported; firmware online upgrade available. ✅ Multiple conference modes: FIFO, FREE, C‑ONLY (Chairman‑only Mode). ✅ Configurable speaking quantity and voice‑activated speaking function. ✅ 19‑inch standard rack‑mountable for convenient storage and deployment.