·Adopts digital integrated circuit technology featuring low power consumption, high fidelity and outstanding stability.

·Seven selectable speech modes: Chairman Priority, FIFO, LIFO, Limited Access, Free Discussion, Override Rotation and Request-to-Speak.

·Simultaneous speaking quantity optional from 1 to 6 users or full-open N mode.

·Power-on self-test function; buzzer alarm triggers on abnormal connection status.

·Intelligent power-off memory resumes last configuration automatically after power recovery from unexpected blackout.

·2.4-inch TFT color screen displays menu and working status clearly.

·Menu language switchable between Chinese and English.

·Touch buttons for menu operation, equipped with volume control, telephone input and master output volume knob.

·Min. capacity for 60 conference microphones; 4 parallel output ports with max.20 units per port, expandable infinitely via extra power/data expanders.

·Daisy-chain wiring with auto-repair and hot-swap support.

·Built-in telephone coupler I/O ports for remote telephone conference.

·RS232 interface connects to PC with encrypted management software for centralized control, or links with central control system for intelligent device management.

·Equipped with balanced audio output, 6.3mm jack, RCA background music I/O and recorder interface.