SIP Microphone – Professional IP Paging Microphone SIP-M20
Product Introduction
The Tonmind SIP Microphone SIP-M20 is a next-generation IP network paging microphone designed for seamless real-time communication and remote management. Built with a durable cast aluminum panel and cold-rolled steel shell, this SIP paging microphone combines industrial reliability with an elegant modern look-perfect for professional audio, public address, and intercom systems.
With 8 SIP lines, Android-based control, and WiFi connectivity, the SIP-M20 enables effortless paging, monitoring, and IP broadcasting across multiple zones. It's the ideal solution for smart buildings, offices, schools, factories, transportation hubs, and any organization needing clear and reliable network audio communication.
Key Features of SIP Microphone SIP-M20
- 8 SIP Lines – Supports multiple SIP accounts for flexible communication.
- Android System (8GB Flash) – Smooth operation with an intuitive user interface.
- Built-in 5W Speaker & Microphone – Ensures clear voice transmission and playback.
- RTP Multicast Paging & Point-to-Point Call – Perfect for single or multi-zone announcements.
- Real-Time Monitoring – Enables live audio monitoring for security or broadcasting.
- FTP Server & USB Disk Music Playback – Supports easy upload and download of audio files.
- 8.0-Inch Touch Screen (1280×800) – User-friendly interface with excellent visibility.
- Flexible Connectivity – Equipped with 2 audio inputs, 1 audio output, USB, GPIO, and WiFi.
- High Durability – Premium aluminum and steel housing ensures long-term reliability.
Technical Specifications
| Item | Description |
|---|---|
| Model | SIP-M20 |
| Network Interface | RJ45 |
| Network Protocol | SIP |
| Audio Codec | OPUS 48kHz, MP3 44.1kHz, G.722 ADPCM 16kHz, G.711 PCMU/PCMA 8kHz |
| WiFi | 2.4G WiFi |
| USB Port | USB 2.0 |
| Speaker Output | 5W |
| Audio Interface | 2 Audio In, 1 Audio Out, 1 USB, 2 GPIO In, 1 GPIO Out |
| Volume Control | Rotary knob for MIC, MIX, SPK, OUT |
| Power Supply | DC 12V / 2A |
| Power Consumption | ≤24W |
| Touch Screen | 8-inch, 1280×800 Resolution |
| Screen View Angle | 178° |
| Operating System | Android 5.1 |
| Working Temperature | -10℃ to 45℃ |
| Material | Cast Aluminum + Cold Rolled Steel |
| Dimensions | 284mm × 170mm × 60mm |
| Weight | 1.8 kg |
| Color | Black |
| Language | English |
| Warranty | 2 Years |
Why Choose Tonmind SIP Microphone
Professional IP Audio Manufacturer – Tonmind specializes in SIP-based network audio products, delivering reliable and high-performance communication solutions.
- Strong R&D and ODM Capability – We provide customized SIP microphone OEM/ODM services for global brands and system integrators.
- Quality You Can Trust – Every unit is tested for durability, performance, and consistency before delivery.
- Comprehensive Support – Detailed manuals, online technical guidance, and fast customer response.
- Global Distribution Network – Trusted by clients in education, transport, and corporate sectors worldwide.
Applications
The SIP Microphone SIP-M20 is widely used in:
- VoIP Paging Systems
- Security Monitoring Centers
- Smart Buildings
- Transportation and Terminals
- Public Address and Announcement Systems
- Broadcast Control Rooms
About Tonmind Technology
Xiamen Tonmind Technology Co., Ltd. is a leading China SIP Microphone manufacturer and exporter, specializing in IP audio technology. With continuous innovation and strong R&D capabilities, Tonmind provides cost-effective, reliable, and intelligent IP audio solutions to global customers.
We welcome ODM manufacturing, distribution, and wholesale partnerships worldwide.
Learn more at: https://www.onvifaudio.com/
Frequently Asked Questions (FAQ)
Q1: How many audio interfaces does the SIP Microphone SIP-M20 have?
A: The SIP-M20 is equipped with 2 audio inputs and 1 audio output, supporting versatile paging and monitoring setups.
Q2: What should I do if my SIP account fails to register?
A: Please check the following:
- Ensure the SIP Protocol settings match your PBX configuration.
- Verify the Auth ID and Outbound Proxy are correct.
- Confirm that the Expire Time is properly set.
Q3: Can I use the SIP Microphone SIP-M20 for multi-zone paging?
A: Yes, the SIP-M20 supports RTP multicast paging, allowing you to make announcements to specific or multiple zones simultaneously.
Q4: Does the SIP-M20 support music playback?
A: Yes, it supports USB disk music playback and FTP file management, making it suitable for background music and announcements.
Ready to upgrade your IP paging system with professional-grade performance?
👉 Contact Tonmind today to discuss ODM partnerships, bulk purchasing, or distribution opportunities.
Our team will provide full technical support and fast global delivery.
📩 Email: sales@tonmind.com
🌐 Website: www.onvifaudio.com
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