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Full Digital Conference Host
GF- ACH01
1.5U standard chassis,3.5-inch TFT display screen,RS232 and RJ45 control interfaces
  • Supports 3.5-inch TFT display and 5-way navigation control keys, with Chinese and English menus. It allows all system settings to be completed without a computer, improving installation and debugging efficiency.
  • Adopts 6-core shielded DIN cable for connection, with a transmission distance of up to 250 meters.
  • Supports 3 channels of unit output; each channel can connect to 25 conference delegate units, and a single host can connect to 75 conference units (the number of connected units per channel is subject to the power rating of the units).
  • Supports 48KHz audio sampling frequency, with a frequency response range of 40Hz–20KHz.
  • Equipped with 2 RS-232 interfaces, which can be controlled by a programmable central control system.
  • Supports multiple connection methods including daisy-chain connection and splitter box connection, facilitating installation and maintenance.
  • Supports ID addressing with customizable numbering. It automatically detects the online list of the host and units upon startup, and enables real-time monitoring of system operation status.
  • Features adaptive feedback cancellation (AFC), ambient noise cancellation (AEC), digital equalizer (EQ) and automatic gain control (AGC) functions.
  • Incorporates an equalizer to adjust the system’s output signal, meeting the requirements of different conference venues.
  • Supports an 8×4 video matrix. Camera tracking settings, saving and automatic adjustment can be performed without software and control keyboard.
  • Supports TCP/IP connection between the host and computer, enabling remote control, remote diagnosis and program upgrade.
  • Comes with 1 group of XLR and 2 groups of RCA audio input interfaces, which can be used to input background music, wireless microphone, condenser microphone and alarm signals.


  • GEFFEN is specialized in processinghigh definition video signals for years. wehave developed and produced a series ofpro video devices, including signalconverter, multi-viewer, optical fiberconverter, signal distribution amplifiersignal generator and matrix switcher, etc.
    :Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong,China
    +86 13928186280(Same WeChat/Whatsapp account)
    :+86 20-34702140
    ADD:Building 3, Baizhong Creative Park, Xinqiao Section, Shilian Road, Panyu District, Guangzhou City   TEL:020-34702140
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