VMAX® A1 Plus™ Universal HD over Coax 4-Channel Digital Video Recorder 
  • Universal HD over Coax® DVR records HD-Analog and HD-TVI and all analog up to 960H signals
  • Advanced H.264 Linux® embedded DVR
  • 4-channels, real-time 30fps recording up to 5MP
  • Up to 5MP recording resolution at 40fps
  • PathFinder™ Peer-to-Peer (P2P) remote connection
  • C3™ CMS and event server software up to 288Channels
  • Event camera group recording
  • Complete system analysis with real-time system and network status monitoring
  • Mobile Application for iPhone®, iPad®, iPod®, Android® Smart Phones and Tablets and Apple TV®
  • Mac® compatible remote ACS software
  • OSD and PTZ control via coax (UTC)
  • Signal hybrid detects any camera at HD-Analog, HD-TVI and 960H automatically.
  • Instant channel swap, no need to disconnect or reboot the DVR. 
  • Snapshot Notify™: programmable interval snapshot notifications
  • 4K (3840 x 2160) True HD, VGA and Spot video outputs
  • 0TB - 16TB storage options
  • HDD calculation and auto-recording configuration
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HD Analog Resolution

Support for all analog signals and HD analog signals up to 5MP.


Easy and secure remote connection with NAT Traversal (STUN/TURN) support without opening ports.
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C3™ CMS takes video management to the next level. You are in complete command to control all your video surveillance systems in one intuitive interface. Easy-to-program alerts let you take action in real-time and manage the health of your devices.
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Group Recording

Designate a group of cameras to respond to an alert from one camera.

Channel Swap

Swap a camera’s channel assignment without changing the cable connections.

Status Monitoring

A real-time graphical representation of all system connections. Receive connection alerts via email or text.

Designed and commissioned in the U.S.A

All DW recorders, workstations and NAS devices are designed, assembled and inspected in our California facility. Each product undergoes multiple levels of quality control to guarantee the highest quality and performance.


Display Modes 1, 4, Sequence
Display Speed Up to 30fps per channel
Local Video Output Resolution 1024x768, 1280x1024, 1280x720, 1920x1080, 2560x1600, 800x600, D1 Spot output, 3840×2160 (4K)
Local Video Outputs SPOT, True HD, VGA
Supported Signals Analog up to 960H, HD-Analog, HD-CVI, HD-TVI
Video Compression H.264
Input channels 4 Channels
Raw internal storage options 001TB  002TB  003TB  004TB  006TB  008TB  010TB  012TB  016TB  No Local Storage  
HDD healthcheck Temperature, S.M.A.R.T. with email notifications
Max HDD Bay 1 x SATA HDD
Maximum Storage 16TB
Audio in/out 1 output, 4 inputs
Performance features Camera Color Control, Covert Channel, Digital Zoom in live and playback, Import and export settings
Playback Functions Calendar, Event search, Smart motion search, Thumbnail search, Timeline
Playback speed x1, x16, x2, x32, x4, x64, x8, x99
Post-recording 0~5 minutes
Pre- recording 0~5 seconds
PTZ control RS485, UTC
Recording Modes Continuous, Emergency, Motion detection, Pre- and post-alarm, Quick backup, Scheduled, Sensor
Recording Resolution and Recording Rate 1280x720 (HD): 120fps, 1920x1080 (HD): 120fps, 2560x1600 (4MP): 60fps, 2560x1944 (5MP): 40fps, 960x480/576 (960H): 120fps
System Operation Graphical user interface (GUI), Joystick Controller (optional), Remote Control (optional), USB mouse (included)
Backup Local backup via USB, Network backup via CMS
Ethernet Ports 1x 1G Ethernet (RJ45)
Firmware Upgrade CMS over network, FTP, USB
Protocol DHCP, RTSP, Static fixed IP, uPNP
System recovery after power failure Auto-reboot and journaling file system
Transmission speed live 1280x720 (HD): 120fps, 2560x1600 (4MP): 60fps, 2560x1944 (5MP): 40fps, 960x480/576 (960H): 120fps
Network Remote Software C3 CMS, DW Mobile Plus
Power Consumption A UPS is recommended
Accessories IR remote control (optional), Mouse
Audio codec ADPCM
Operating Temperature and Humidity 0 ~ 80% RH, 41 ~ 104 °F (5~40 °C)
Rail kit 1920x1080 (HD): 120fps
Recorder Dimensions (H X W X D) 12.4" x 9.52" x 1.77" (315 × 242 × 45 mm)
Serial ports RS485
USB interface Yes
Warranty 5 Year Limited Warranty
Weight (barebone, HDD not included) 4 lbs (1.81 kg)
Certification CE  FCC  TAA Compliance  UL Listed  
Form Factor Embedded

Part Numbers

Model #

Supported Cameras

Storage Size

DW-VA1P4Uo to 4 channels HD-Analog and HD-TVI and CVBS analog signalsNo local storage
DW-VA1P41TUp to 4 channels HD-Analog and HD-TVI and CVBS analog signals1TB
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
Up to 4 channels HD-Analog and HD-TVI and CVBS analog signals
DW-VA1P412TUp to 4 channels HD-Analog and HD-TVI and CVBS analog signals12TB
DW-VA1P416TUp to 4 channels HD-Analog and HD-TVI and CVBS analog signals16TB


HD Video Balun Converter
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Remote control for VMAX recorders
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System Control Keyboard
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HD video balun converter
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Title Type
DW-VA1P4xT AE specifications
docx Download
DW-VA1P4xT CAD drawings
dwg Download
DW-VA1P4xT data sheet
pdf Download
VMAX A1 Plus brochure
pdf Download
VMAX A1 Plus quick setup guide
pdf Download
VMAX A1 Plus user manual
pdf Download


Title Type Release Notes Version Update Date Compatibility Size
C3 CMS v1.1.4.85 update 2 for Windows zip v1.1.4.85 update 2 05/03/2023 210.90 MB Download
DW-VA1P4xT firmware v1.0.1.64 bin v1.0.1.64 06/14/2022 32.69 MB Download
VMAX A1 Plus calculator zip - 09/19/2019 8.73 MB Download

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