View the manual for the Dahua Technology X21A3E4 here, for free. This manual comes under the category voice recorders and has been rated by 1 people with an average of a 7.5. This manual is available in the following languages: English. Do you have a question about the Dahua Technology X21A3E4 or do you need help? Ask your question here

Below you will find the product specifications and the manual specifications of the Dahua Technology X21A3E4.
The Dahua Technology X21A3E4 voice recorder is a versatile and high-quality device suitable for various surveillance applications. With a maximum video resolution of 1920 x 1080 pixels, this recorder delivers clear and detailed footage. It supports multiple display modes, including 4, 8, 9, and 16 displays, allowing for flexible viewing options. The video compression formats H.264 and H.264+ ensure efficient data storage without compromising on image quality. Equipped with one USB 2.0 port, one USB 3.2 Gen 1 Type-A port, and one HDMI port, this recorder offers convenient connectivity options. Additionally, it features a VGA (D-Sub) output port, an RS-485 port, three relay outputs, and an Ethernet LAN (RJ-45) port for enhanced functionality. With dimensions of 325 x 255.1 x 55 millimeters and a weight of 1500 grams, the X21A3E4 recorder is compact and lightweight. Its 1U rack capacity makes it easy to install and integrate into existing systems. The built-in Smart H.264+ / H.264 dual-stream video compression technology ensures optimal performance and efficiency. The recorder supports HDCVI/AHD/TVI/CVBS/IP video inputs, with a maximum of 2/4/8 IP camera channel inputs, each channel supporting up to 5 MP resolution. Overall, the Dahua Technology X21A3E4 voice recorder is a reliable and feature-rich solution for surveillance needs.

| Brand | Dahua Technology |
| Model | X21A3E4 | X21A3E4 |
| Product | voice recorder |
| Language | English |
| Filetype | User manual (PDF) |
| Maximum video resolution | 1920 x 1080 pixels |
| Multi-display supported | Yes |
| Video compression formats | H.264, H.264+ |
| Multi-display modes | 4, 8,9, 16 |
| Rack capacity | 1U |
| Channels quantity | 16 channels |
| Video loss detection | Yes |
| Product color | Black |
| Total storage capacity | 4000 GB |
| USB 2.0 ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| HDMI ports quantity | 1 |
| VGA (D-Sub) output ports | 1 |
| RS-485 ports | 1 |
| Relay outputs | 3 |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| Number of users | 128 user(s) |
| Supported network protocols | HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, P2P, IP Search |
| Dimensions (WxDxH) | 325 x 255.1 x 55 mm |
| Weight | 1500 g |
| Number of HDDs supported | 1 |
| HDD interface | Serial ATA |
| Maximum HDD capacity | 6000 GB |
| Operating temperature (T-T) | -10 - 55 °C |
| Storage temperature (T-T) | 0 - 50 °C |
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Dahua Technology X21A3E4 below.
The Dahua Technology X21A3E4 has a weight of 1500 g.
Yes, the manual of the Dahua Technology X21A3E4 is available in English .
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