Description

Full HD Cinema Enjoyment for Bright Rooms

Treat your eyes to the brilliance of Full HD 1080p visuals, with amazing detail clarity and sharpness for exceptional home cinematic experiences in well-lit environments.

Realistic Projector-Optimized HDR with 4K Support

BenQ exclusive projector-optimized HDR with HDR10 and HLG support offers greater brightness, contrast range, and image optimization, downscaling 4K HDR Blu-rays and streaming content for brilliant cinema enjoyment in bright settings.

Supercharged by HDR10 and HLG support with BenQ exclusive projector-optimized HDR
Tailor-Made for Gaming

Overpowered Gaming Visuals

Low Input Lag Performance

Ultra-fast 8ms* low input lag conveys your sights, hearings, and thoughts into actions with zero delay. (*Input lag is 8ms: 1080p@120Hz, 16ms:1080p@60Hz, 33ms: 4K@60Hz downscaling to 1080p)

BenQ projector with low input lag performance

Black Detail Enhancement

Detect and react one step quicker to approaching dangers by easily mapping out details in the dark with BenQ-exclusive Black Detail Enhancement, which accentuates fine details in dark scenes without sacrificing color performance in brighter areas.

BenQ Black Detail Enhancement which discloses fine details in dark scenes

Indulge in Immersive Sound

The 5W chambered speaker upgraded with a wider frequency range for deep bass and soaring highs, BenQ audio-enhancing technology also provides exclusive EQ algorithms for pure clarity and sensual sound quality.

The 5W chambered speaker of BenQ projector

Endless Entertainment

Lose yourself in your favorite content with direct access to streaming apps. Use Android TV to watch all your beloved streaming apps like Prime Video, Hulu, YouTube, and more. *Note: Netflix only supports specific authorized devices and is not natively available on BenQ smart home projectors. Please follow these recommended viewing procedures.

Learn More

BenQ projectors are powered by Android TV
  • One Google Account for Seamless Streaming Fun

  • 5,000+ of the Latest Apps from Google Play

  • Get inspired all hands-free

Flexible Installation

Digital Lens Shift

Digital lens shift provides perfectly straight-edged images, allowing more flexible installation and placement options.

Digital Lens Shift

Auto Vertical Keystone

Auto vertical keystone self-adjusts for squared images, letting you easily project aligned images from various angles.

Auto Vertical Keystone

Projection Distance

1.3x zoom maximizes available space with a range of throw distances for big-screen entertainment without the hassle of complicated installation.

Learn MoreCalculator

Projection Distance

Universal Connectivity

  • game console icon

    Mobile

  • Game Console

  • handheld console icon

    Handheld Game Console

  • Laptop icon

    Laptop

  • Blu-ray player icon

    Blu-ray Player

BenQ TH685i's IO port

Specifications:

Display

  • Brightness (ANSI lumens)
    3500
  • Resolution
    1080P (1920×1080)
  • Native Aspect Ratio
    16:9
  • Contrast Ratio (FOFO)
    10,000:1
  • Display Color
    30-bit (1.07 billion colors)
  • Light Source
    Lamp
  • Light Source Life
    a. Normal 4000 hrs, c. SmartEco 8000 hrs, d. LampSave 15000 hrs, b. ECO 10000 hrs

Optical

  • Throw Ratio
    1.127~1.46
  • Zoom Ratio
    1.3x
  • Lens
    F/#=1.94~2.07;f=11.9~15.5 mm
  • Projection Offset (Full-Height)
    105%
  • Keystone Adjustment
    1D, (Auto) Vertical ± 40 degrees

Picture

  • Rec. 709 Coverage
    95%
  • Picture Modes
    3D, Bright, Cinema, Game, HDR, HLG, Living Room, Sports, User 1, User 2

Compatibility

  • Input Lag
    16.7 ms (1080P 60Hz), 33.4 ms (4K 60Hz) *downscaling to 1080p, 8.3 ms (1080P 120Hz)
  • Resolution Support
    VGA (640 x 480) to 4K UHD (3840 x 2160)
  • Horizontal Frequency
    15K~102KHz

I/O Interface

  • PC in (D-sub 15pin)
    (x1), PC in-1 (shared with component video)
  • HDMI in
    (x2), HDMI-1 (2.0b/HDCP2.2), HDMI-Internal (2.0b/HDCP2.2)
  • USB Type A
    (x1), USB Type A-1 (2.0/Power Supply1.5A)
  • RS232 in (DB-9pin)
    (x1)

Audio

  • Speaker
    (x1), 5W Chamber
  • Audio in (3.5mm Mini Jack)
    (x1)
  • Audio out (3.5mm Mini Jack)
    (x1)
  • HDMI Audio Return
    ARC, 5.1 channel

Environment

  • Operating Temperature
    0~40℃
  • Power Supply
    AC 100 to 240 V, 50/60 Hz
  • Typical Power Consumption (110V)
    297W/110V
  • Stand-by Power Consumption
    <0.5W
  • Acoustic Noise (Typ./Eco.)(dB)
    35/29 dB

Accessories

  • Android TV dongle
    QS01, (Standard)
  • Carry Bag
    5J.J3T09.001, (Optional)
  • Remote Control w/ Battery
    RCI067
  • Power Cord (by region)
    x1 (1.8M)
  • Quick Start Guide
    (x1) 21L
  • Warranty Card (by region)
    Yes
  • Universal Ceiling Mount
    CM00G3, (Optional)

Dimension & Weight

  • Dimensions (WxHxD) (mm)
    312 x 110 x 225
  • Net Weight (kg)
    2.79
  • Dimensions (WxHXD) (inch)
    12.28 x 4.3 x 8.85
  • Net Weight (lb)
    6.15

Projection System

  • Projection System
    DLP