Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

The expansion host is designed for expanding microphone units and dual-system backup switching.
Product Features:
1. The front panel features a 5.0-inch touchscreen displaying device status and information;
2. The device includes ≥1 USB port; the rear panel includes ≥2 RS-232 ports, ≥1 RS-485 port, ≥6 RJ45 communication ports, and ≥4 8-pin aviation audio connectors; Includes ≥1 RCA input, ≥1 XLR input; ≥1 RCA output, ≥1 XLR output; ≥1 DIP switch, ≥1 ground terminal.
3. Four RJ45 ports with built-in Gigabit switching capability, supporting IEEE802.3, IEEE802.3u, and IEEE802.3x standards for expanding network-connected microphone units.
4. 4-channel 8-pin audio interface for expanding 8-pin microphone units.
5. Supports expansion of over 160 conference units.
Technical Specifications:
Frequency Response: 20Hz–20KHz
Signal-to-Noise Ratio: >78dB(A)
Dynamic Range: >80dB
Total Harmonic Distortion: <0.05%
Main Power Supply: 100-120VAC/200-240VAC by switch
Standby Power Consumption: 30W
Output Power: 320W
Wired Microphone Connection: Dedicated cable (8-core)
Complies with Standard: IEC-60914
Touchscreen Control: 5-inch full-color touchscreen
Color: Black
Net Weight: 6 kg
Dimensions (LxWxH): 484x303x88 mm
Mounting: 19-inch standard rack