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See it all in any venue.

Case Color: Black
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The ViewSonic® Pro8400 is an advanced high brightness DLP® installation projector which includes BrilliantColor™ technology to produce more vibrant colors. The Pro8400 delivers 4000 lumens with a 1920x1080 (1080p) superb image resolution, allowing it to shine in virtually any lighting situation. The Pro8400 provides maximum mounting flexibility with a wide 1.5X optical zoom adjustment and a multitude of connectivity options including Network Display, USB, and WiFi. The filter-less design and long lamp life provide for easy maintenance and low total cost of ownership.

How to enable Wi-Fi

Install the WPD-100 Wi-Fi Dongle - Learn More


Advanced connectivity

With dual HDMI, component, composite and S-video inputs

Bright in virtually any setting with 4,000 lumens

Ultra-bright 4,000 lumen output makes this the perfect choice for large boardrooms, conference halls and auditoriums

BrilliantColor™ technology

Latest BrilliantColor™ technology delivers stunning all-digital clarity with life-like color, sharp graphics and outstanding video. The sophisticated 5-segment color (RGBWY) wheel provides greater color accuracy than standard DLP projectors with a 4-segment color wheel

Closed captioning

Integrated closed captioning decoder for the hearing impaired

Connect anywhere

Present up to 8 projectors at the same time or allow up to 4 presenters to connect to a single projector over wireless or RJ45 network

Give Greener presentations and save

Use the Eco-mode to achieve lower power consumption, reduce overall noise and extend lamp life. Filter less design saves costs and maintenance.

Network control through RJ-45

Stay connected

Supports multiple video timing formats from SD (NTSC, PAL & SECAM) to HD 1080p



PC VGA to 1080p
Mac® Up to 1080p


CB, RoHS, SVHC, WEEE, UL/cUL, FCC-B, ICES-004, TUV-S (Argentina), NOM, PSB, C-tick, KC, CE, GOST-R, Hygienic, UKrSEPRO, CCC


Digital HDMI 1.3 (x2)
Network RJ-45
Composite Input RCA jack
S-Video Input 4-pin mini-DIN
Component RCA (x3)
Control RS-232 (DB-9)
RGB (input/output) 15-pin mini D-sub (x2) / 15-pin mini D-sub
Audio (input/output) 3.5mm mini jack / 3.5mm mini jack
USB Mini-B for direct presentation from computer Type A supports JPEG, BMP, TIFF, PNG, GIF from USB flash drive
Screen Trigger 0.35 plug (12V/1A)


Voltage 100~240VAC (Auto Switching), 50/60Hz (universal)
Consumption 360W (max) / <1W (stand-by mode)


Basic Power, keystone/arrow keys, left/blank, menu/exit, right/panel key lock, auto, mode/enter, source
OSD Picture: Brightness, Contrast, Color Setting, Keystone, Aspect Ratio, Image, White Intensity, Gamma Computer Image: Frequency, Tracking, H Position, V Position Video Image: Saturation, Sharpnes, Tint Setting: Menu Position, Projection, Signal Type, Lamp Hour, Lamp Hour Reset, Filter Mode, Filter Hours, Filter Hours Reset, Power Saving, Auto Source, Eco-mode, High Altitude, OSD Timeout Advance: Blank Screen, Password Word, Screen Capture, Start up Screen, Digital Zoom, DCR, Close Captions


ViewSonic projector, power cable, VGA cable, HDMI cable, remote control/laser with batteries, lens cap, Quick Start Guide, ViewSonic Wizard DVD (with User Guide), soft carrying case.


Temperature 32ºF–104ºF (0ºC–40ºC)
Humidity 10%–90% (non-condensing)
Altitude 0~6,000 ft (1,800m), operational up to 10,000 ft (3048m)


Type 0.65" Digital Micromirror Device (DLP™)
Resolution 1920x1080 (1080p)
Lens 1.5× Manual optical zoom / Manual optical focus
Keystone Vertical digital keystone correction: +/– 20 degrees
Display size 30"–300" / 0.76m–7.6m
Throw Distance 0.9m–10m / 3ft–32.8ft
Throw Ratio 1.4 – 2.14:1
Lamp type 280 watt
Lamp life (normal/eco-mode) 4000 / 5000* hours
Brightness 4000 ANSI Lumens
Contrast Ratio 2600:1 (typ), 3000:1 (dynamic)
Aspect Ratio 16:9 (native) and 4:3
Color Gamut 70% NTSC 1931 CIE


3-year limited warranty on parts, 1-year limited warranty on lamp, 1st year Express Exchange® service


Normal 33dB
Eco-mode 29dB


Speakers 10W (x2)


Computer and Video NTSC M (3.58 MHz), 4.43MHz, PAL (B, D, G, H, I, M, N, 60), SECAM (B, D, G, K, K1, L), SD 480i and 576i (24fps, 25fps and 30fps), ED 480p and 576p (24fps, 25fps and 30fps), HD 720p, 1080i and 1080p (24fps, 25pfs and 30fps)
Frequency Fh: 31–91KHz, Fv: 48–85Hz


Physical 13.1 × 4.8 × 10.4 (in) / 332.7× 121.9 × 264.2 (mm)
Packaging 16.3 × 7.5 × 14.8 (in) / 414 ×190.5 × 375.9 (mm)


Net 8.5 lb (3.86 kg)
Gross 11.8 lb (5.36 kg)
  • 4th and 5th Year Extended Warranty (PRJ-EW-07-02)

    Part Number: PRJ-EW-07-02

    4th and 5th Year Extended Warranty (Parts & Labor; Excluding Lamps) & Recycling Disposal for 2 lb to 7 lb Projectors

    Click here to add to your cart.
  • Projection Screen (PSC-002)

    Part Number:

    Projection Screen 72", 153,153cm, Matt White, 0.9 gain

  • Replacement lamp (RLC-059)

    Part Number: RLC-059

    Projector replacement lamp, compatible with: Pro8450w, Pro8400, Pro8500.

    Click here to add to your cart.
  • Universal Ceiling Mount Kit (WMK-005)

    Part Number: WMK-005

    Universal projector ceiling mount kit. (Compatible with all ViewSonic Projectors except PJ258D & PJ260D)
    Download User Manual

    Click here to add to your cart.
  • WPD-100

    Part Number: WPD-100

    Wi-Fi Dongle, support 802.11 b/g/n and ViewSonic PJD7 and Pro8 series projectors

    Click here to add to your cart.
  • WPG-360 Wireless Presentation Gateway

    Part Number: WPG-360

    ViewSonic’s new WPG-360 Wireless Presentation Gateway lets you wirelessly connect to any projector or display with an available VGA output. Provides for data and video streaming up to 1024x768, with full 802.11b/g/n high speed wireless support. Support for up to four presenters with Quad split screen or broadcast to multiple devices simultaneously. Features WPS (WiFi protected setup) for easy access.

    Click here to add to your cart.
  • Extended Express Exchange® (PRJ-EE-08-03)

    Part Number: PRJ-EE-08-03

    2nd and 3rd Year Extended Express Exchange® & Recycling Disposal for PJ6xx, PJ7xx, PJ8xx Projectors.

    Click here to add to your cart.