Spec Sheet
Ultra Series | X74A3L
us.dahuasecurity.com
4K Penta-brid HDCVI DVR
16-Channel 1.5U Digital Video Recorder
Series
Pro
4K
HDMI
16CH
H.265
Face Detection
• 4K at 7 fps Recording Resoluon on All HDCVI Channels
• Dual-stream Video Recording
• Smart H.265+ and Smart H.264+ Dual Codec
• Auto-detecon of HD Analog Video Inputs
• 16 + 16 IP Camera Channels, each channel up to 12 MP
• Maximum 128 Mbps Incoming Bandwidth
• Intelligent Video System with Face Detecon
• Advanced Voice Compression Codec G.711 and PCM
• Spot Output
• Five-year Warranty*
*Warranty applies to products sold through an authorized Dahua Dealer.
Coaxial Audio
The HDCVI DVR accepts and records audio signals from HDCVI cameras
with a built-in microphone via the Video IN BNC connecon, reducing
the number of connecons and easing installaon. The HDCVI DVR
oers volume control for live audio directly from the on-screen menu.
HDCVI/AHD/TVI/CVBS Auto-detect
The HDCVI DVR automacally recognizes the incoming signals of each
aached camera without any setup, making installaon easy and
operaon convenient.
Spot Output
The HDCVI DVR provides a spot output channel for a secondary
monitor. This monitor allows the operator to view one monitor that is
assigned to selected cameras or video inputs from high-security areas.
Point of Sale (POS)
Ideal for grocery and retail stores, the oponal POS soluon allows the
HDCVI DVR to receive a POS transacon via corresponding video. This
feature allows merchants to analyze specic transacons via the Fuzzy
Search Algorithm.
Smart Fan Design
The HDCVI DVR automacally turns on or turns o the fan according
to the CPU temperature. This funcon reduces fan noise and helps to
conserve electricity.
Intelligent Video System (IVS)
IVS is a built-in video analyc algorithm that delivers standard
intelligent funcons to monitor a scene for Tripwire violaons,
intrusion detecon, and abandoned or missing objects. IVS quickly and
accurately responds to monitoring events in a specic area.
Face Detecon
This technology idenes human faces in digital images and then
searches a database to idenfy the individual in the image.
Smart Search
Smart Search allows an operator to specify a region in the playback
video to search for a moon detecon event, saving me and
manpower.
System Overview
The X74A Series HDCVI DVR oers 4K recording on each HDCVI channel
and a host of advanced features and funcons. The X74A takes advantage
of HDCVI technology for easy integraon into exisng video surveillance
systems while leveraging exisng networks, cabling, and cameras.
Penta-brid access technology seamlessly records video from HDCVI, AHD,
TVI, CVBS, and IP sources simultaneously on each channel.
The X74A ulizes the Smart H.265+ Codec to signicantly improve encoding
eciency and to reduce bandwidth and storage costs. In addion to the
advanced codec, the X74A series supports sheye dewarping and Point
of Sale (PoS) integraon. This recorder is the ideal soluon for acvely
monitoring and recording video feeds in a wide range of applicaons
including public venues, retail stores, transportaon hubs and access ways,
personal property and homes, and educaonal instuons.
Funcons
Smart H.265+
Smart H.265+ is the opmized implementaon of the H.265 codec that
uses a scene-adapve encoding strategy, dynamic GOP, dynamic ROI,
exible mul-frame reference structure and intelligent noise reducon to
deliver high-quality video without straining the network. Smart H.265+
technology reduces bit rate and storage requirements by up to 90% when
compared to the H.264 video compression standard.
4K Resoluon
The HDCVI DVR records 4K resoluon on each HDCVI and IP channel. 4K is
a revoluonary breakthrough in image processing technology. 4K delivers
four mes the resoluon of standard HDTV 1080p cameras and oers
superior picture quality and image details. 4K resoluon improves the
clarity of a magnied scene to view or record crisp forensic video from large
areas.