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    Speco D4VT/D8VT/D16VT — 1080p HD-TVI Digital Video Recorder Specifications

    September 08, 2026 2 min read

    Full specifications for the Speco D-Series (D4VT/D8VT/D16VT) 1080p HD-TVI digital video recorders, 4/8/16-channel with 1TB-8TB storage options.

    💾 Download Original PDF
    Full text manual (for reference)

    Specifications for the Speco D-Series (D4VT/D8VT/D16VT) 1080p HD-TVI Digital Video Recorders — 4, 8, or 16-channel DVRs supporting HD-TVI and analog cameras.

    Overview

    The D4VT, D8VT, and D16VT are 4, 8, and 16-channel 1080p HD-TVI DVRs, available with 1TB to 8TB of storage. They're backwards compatible with all analog cameras and support signal distances up to 1600 feet over coax. EZ Wizards simplify setup, network/port forwarding, and recording resolution configuration; EZ Search allows quick event lookup from thumbnails, and EZ Copy auto-copies playback footage to a USB flash drive.

    Key Features

    • 1080p @ 15fps / 720p @ 30fps over coax (HD-TVI); backwards compatible with all analog cameras
    • UTC function allows zoom/focus and OSD control over coax
    • Signal distance up to 1600 feet (with quality coax)
    • Video out: 1 HDMI, 1 VGA, 1 CVBS
    • H.264 video compression; networkable with free Speco DDNS server
    • Digital Deterrent® supports up to 8 audio files for triggering during sensor/motion detection
    • 2-way audio communication; built-in S.M.A.R.T. HDD monitoring
    • 4-channel audio recording; covert camera operation
    • Remote monitoring/recording/playback/configuration/upgrades via internet
    • Compatible with SpecoTech Multi-Client Software, SecureGuard™ Plus, Web-Viewer, and Speco Player Mobile Viewer
    • PC and Mac compatible; IR remote control and mouse included
    • 3-year warranty

    Available Models

    Channels Storage Options
    D4VT (4-ch) 1TB, 2TB, 3TB, 4TB, 6TB, 8TB
    D8VT (8-ch) 1TB, 2TB, 3TB, 4TB, 6TB, 8TB
    D16VT (16-ch) 2TB, 3TB, 4TB, 6TB, 8TB

    Technical Specifications

    Item D4VT D8VT D16VT
    Channels 4 8 16
    Signal Distance Up to 1600 feet (depending on coax quality)
    Video Input Composite, 1.0Vp-p, 75 ohms; NTSC/PAL
    HDMI Output 1 HDMI (1024x768, 1280x720, 1280x1024, 1920x1080)
    Audio 4 line input & 1 line output; G.711 codec
    Alarm 4-channel sensor input (NC/NO selectable); 1 alarm output
    Compression H.264
    1080p TVI Recording 60fps 120fps 240fps
    720p TVI Recording 120fps 240fps 480fps
    Recording Modes Continuous / Schedule / Motion / Sensor / Manual / Continuous+Motion / Continuous+Sensor
    Pre/Post Recording Pre: max 20 min; Post: max 60 sec
    HDD Interface Serial ATA, 2 internal bays, up to 4TB per HDD
    Network 10/100Base-T 10/100/1000Base-T
    Power Supply 12VDC, 3A 12VDC, 5A
    Operating Temp/Humidity 41°F–104°F / 20%–80% RH
    Weight 3.3 lbs (unit)
    Dimensions (W x H x D) 13.4" x 2.48" x 10.31"

    Optional Accessories

    • ERS1V: Vented rack shelf
    • IRRPTKIT: IR repeater kit

    To preserve signal quality and distance, Speco Technologies recommends using coax with a 100% copper center conductor and at least 95% braided copper shield.