5 best 4CH DVRs
It is possible to create a video surveillance system, which is compact in terms of the number of its elements, using a special recorder with 4 channels for connecting cameras of different types. The scope of application of such devices is not limited to installation in a car or in a parking lot. They are reliable as a means of control and monitoring of the environment both when used at home and in offices, at outdoor facilities.
When choosing a DVR that is most suitable for individual purposes, you must consider the following points:
- permitting potential;
- information compression format;
- channel recording speed;
- operating modes;
- types and number of video, audio inputs and outputs;
- type and volume of the drive;
- the ability to connect additional accessories (keyboard, mouse, etc.).
The best models of digital / IP and hybrid devices that work with both analog and digital video cameras are presented in our rating.
Best 4CH DVR / IP Type
3 BEWARD BK0104S
The IP device has been recognized for a number of distinctive advantages. Here, the developers have provided not only simultaneous recording with sound from all 4 cameras, but also playback. What is important, in this case, the speed reaches 120 fps. Channel shooting is performed in a wide range of resolutions - from 176x144 to 1920x1080. The volume of archived information reaches 6 TB, for this a removable drive is installed via the SATA interface.
The benefits include support for cloud storage. Thanks to modern P2P technology, you have access to your computer and mobile phone. The application is installed free of charge. The DVR has two USB 2.0 ports for connecting external devices. The option of backup archiving is also included in the functionality, as well as modular resetting to factory settings. From the playback modes, frame-by-frame forward has received positive responses. When purchasing a device, you need to remember that it works perfectly only at positive temperatures (up to 45 degrees).
2 Dahua DHI-NVR2104-S2
The model is an elegant ergonomic body weighing only 400 grams. It runs on a dual-core processor and supports HDMI, VGA. The software is based on the popular Linux operating system. Each window contains the name of the camera, date, time, movement, video loss. From the moment the event starts, options such as video recording, photography, sending information to the monitor, PTZ control are available. Backups are done both via the Internet and a USB stick.
According to user reviews, the functionality is the most common. You can not only record what is happening, but also in normal, slow or accelerated modes, view the finished material, select the necessary files, make a digital zoom. The maximum recording resolution is up to 6 megapixels. The video signal is activated both manually and by schedule or alarm. The clip length limit is set to 120 minutes or 60 minutes by default. A big plus is the Sata III hard drive up to 6 TB, with the ability to connect up to 128 users. The identified drawback is the lack of support for PoE technology.
1 CTV-IPR3104 SEP
In reviews, buyers often pay attention to this model, since it optimally balances technical characteristics and operational potential. The device has compact dimensions of 30x24.8x5.2 cm and functions effectively in the temperature range from minus 10 to plus 55 degrees. It supports 4 cameras of IP type, which in a resolution of up to 5 M produce video recording at a total speed of 100 fps. In this case, the formats 720-1080P and 3-5 M are used. To achieve good quality, 6 recording levels are provided.For rational storage of the received information, a fairly standard H.265 / H.264 compression algorithm is used. The built-in archive holds up to 6 TB of information stored on the hard drive.
Each channel is voiced, so you can always not only see, but also hear everything that happens behind the scenes. If necessary, multiscreen monitoring of the situation is carried out in real time. The device is equipped with an HDMI output, which is perfectly compatible with digital Full HD monitors. The proprietary diagnostic system checks the correct operation of the device, which eliminates unpleasant surprises. Additional advantages are the presence of a motion sensor, a switch, 3 ports of different types, the ability to send messages by e-mail.
Best 4 Channel Hybrid DVRs
2 HiWatch DS-H104G
This representative of the budget category of hybrid models combines modern design, structural strength during operation in different conditions and powerful functionality. Video filming can be carried out on an analog channel in standard and high definition, as well as more innovative AHD or IP. When outputting images to Full HD monitors, the quality does not deteriorate. When recording, depending on the resolution, the speed can reach up to 25 fps for each camera. In total, two streams are structurally admissible.
Playback is of a synchronous type for all 4 channels. The device supports remote connections in the amount of 128. As for storing the received information, it is backed up through special connectors for safety. The SATA hard drive can hold up to 6 TB of recorded material.
1 Polyvision PVDR-A1-04P1 v.5.4.1
The manufacturer offers a model with pentaplex functionality, which is equipped with 4 channel BNC video inputs, one video output for GDMI, VGA formats. RCA support is provided for the audio signal. Both analog and hybrid modes are supported for recording. Compression of the received information occurs in the H.264 / G.711A format, which is standard for many recorders. The presence of two USB ports allows you to download the archive to external media. The hard disk capacity reaches 10 TB, which users call an excellent result in reviews.
The technical solution is based on the Hisilicon Hi3520D processor. The device is adapted to work with a number of protocols: PPPoE, ONVIF, HTTP and others. This helps to use the capabilities of the device to the maximum. Ease of management is another useful asset. After all, you can shoot in any of the modes, you can select files both with the mouse and via the network.
