Touch-based control
A 10.1-inch full-lamination capacitive touchscreen keeps daily broadcast, file playback, scheduling, and device management accessible from one desktop terminal.
Intelligent Public Address System
VOA-2000B Smart Public Address Host
Hushan
VOA-2000B
¥0.00
The VOA-2000B is a compact smart public-address host designed for schools, campuses, commercial buildings, hospitals, scenic areas, and command rooms. It integrates broadcasting, intercom, file playback, scheduled tasks, emergency triggering, local audio collection, and device...
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Technical Specifications
| Display | 10.1-inch full-lamination capacitive touchscreen |
| Touch Control | Capacitive multi-touch |
| Built-in Microphone | Gooseneck hands-free microphone |
| Built-in Speaker | 3 W × 2 |
| Handheld Microphone | Integrated, auto-switching with hands-free microphone |
| Video Output | HDMI |
| USB | 1 × USB for USB storage, keyboard, and mouse |
| Network Interface | 1 × Gigabit Ethernet |
| IP Modes | Static IP / DHCP |
| Local Audio Input | 3.5 mm line input |
| Local Audio Output | Line output for local speaker expansion |
| Contact I/O | 1 × short-circuit input, 1 × short-circuit output |
| Emergency Button | Red emergency button, configurable response zones |
| Playback | Local / USB file playback, search, sort, delete, preview, multiple play modes |
| Scheduled Broadcast | Date, time, cycle, task count, task status, today’s task list |
| Intercom Protocol | Standard SIP |
| Network Protocols | TCP / UDP / ARP / ICMP / IGMP / SIP |
| Network Speed | 10 / 100 / 1000 Mbps |
| Audio Encoding | MP3 / AAC |
| Broadcast Audio Bitrate | 64 Kbps – 320 Kbps |
| Intercom Audio Bitrate | 64 Kbps |
| Image Resolution | 720P / 1080P |
| SNR | > 75 dB |
| Frequency Response | 100 Hz – 18 kHz, broadcast |
| Nonlinear Distortion | ≤ 3%, 1 kHz, -3 dB, broadcast |
| Rated Amplifier Power | 3 W / 8 Ω |
| Power Supply | DC 12 V / 3 A adapter |
| Operating Temperature | -10℃ – 50℃ |
| Operating Humidity | 10% – 95% RH, non-condensing |
| Storage Temperature | -20℃ – 60℃ |
| Storage Humidity | 5% – 90% RH, non-condensing |
| Reliability | ESD air 6 kV, contact 4 kV; surge common mode 2 kV, differential mode 1 kV, network |
| Dimensions | 335 × 196 × 35 mm |
| Net Weight | 1.0 kg |
Public Address System
VOA-2000B Smart Public Address Host
The VOA-2000B is a compact smart public-address host designed for schools, campuses, commercial buildings, hospitals, scenic areas, and command rooms. It integrates broadcasting, intercom, file playback, scheduled tasks, emergency triggering, local audio collection, and device management into a desktop touch-control terminal.
Emergency-ready operation
A dedicated red emergency button can be configured for all-zone or selected-zone emergency broadcast response.
Integrated audio input
The host includes a gooseneck hands-free microphone, handheld microphone, 3.5 mm line input, and local speaker expansion output.
Network intercom workflow
Standard SIP support enables intercom operation with compatible SIP terminals, including call records for system management.
10.1 in
Touch Display
Gigabit Ethernet
Network
Standard SIP
Protocol
DC 12 V / 3 A
Power
Touch-based control
A 10.1-inch full-lamination capacitive touchscreen keeps daily broadcast, file playback, scheduling, and device management accessible from one desktop terminal.
Emergency-ready operation
A dedicated red emergency button can be configured for all-zone or selected-zone emergency broadcast response.
Integrated audio input
The host includes a gooseneck hands-free microphone, handheld microphone, 3.5 mm line input, and local speaker expansion output.
Network intercom workflow
Standard SIP support enables intercom operation with compatible SIP terminals, including call records for system management.
Application Fit
Engineered for daily paging and project-grade deployment
Use this model as part of a HUSHAN public-address design for announcements, background audio, and emergency broadcast workflows. Final system configuration should be confirmed by project requirements.
Real Product Reference
Product appearance matched to source material
The gallery starts with the real product image extracted from HUSHAN source documentation. AI-assisted visuals are used only to improve presentation and show application context.
Detail View
Installation-ready hardware presentation
The detail visual highlights the product form factor, finish, and installation logic while the specifications table below remains the source of exact technical values.
Project Workflow
How It Fits into a Public-Address Project
Define zones
Confirm indoor or outdoor coverage areas, announcement priority, and whether the site needs networked or 100 V distributed audio.
Match endpoints
Select hosts, speakers, and system endpoints based on product type, power, input method, and installation environment.
Confirm engineering details
Validate wiring, mounting, network topology, and operating requirements before quotation or deployment.
Applications
Recommended Use Cases
Schools and campuses
Daily announcements, bell-style scheduled tasks, and emergency messages across campus zones.
Hospitals and public buildings
Centralized announcements and staff-facing broadcast workflows from a compact operator desk.
Commercial complexes
Background music, service announcements, and emergency broadcast control for building operators.
Scenic areas
Visitor guidance, zone announcements, and public safety messaging across distributed areas.
Specification source
Technical values are transcribed from the local HUSHAN export product list. Prices are intentionally not modified in this update.