BenQ TH685i
| Brand | BenQ · Home Cinema |
| Type | Gaming |
| Status | Discontinued |
| Released | October 2020 |
| Resolution | 1080p |
| HDR formats | HDR10, HLG |
| Imaging technology | DLP |
| Light source | Lamp |
| Brightness | 3,500 lm ANSI |
| Throw ratio | 1.13–1.46:1 |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 4K UHD: 60 Hz 33.4 ms |
A single-chip 0.48-inch DLP lamp projector with 1080p output and a rated 3,500 ANSI lumens, sold with a QS01 Android TV dongle in a dedicated HDMI bay. It has a Fast Mode with 8.3 ms input lag at 1080p 120 Hz, HDR10 and HLG, and a 5 W mono speaker. It suits console gaming and living-room viewing with some ambient light.
Data sheet
Picture
| White light output | 3,500 lm ANSI | |
| Imaging technology | DLP | |
| Chip / panel diagonal | 0.48 in | |
| Native resolution | 1080p (1920 × 1080) | |
| Native aspect | 16:9Derived | |
| Colour wheel segments | 6 | |
| Dynamic contrast | 10,000:1 | |
| Colour gamut | Rec. 709 95% coverage | |
| Colour bit depth (per channel) | 10 bit | |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | |
| Colour temperature presets | Native, Custom | |
| HDR formats | HDR10, HLG | |
| Colour management (CMS) | 6-axis | |
| Picture mode memories | 2 | |
| 3D | Yes | |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential |
Light source
| Light source | Lamp | |
| Lamp power | 245 W | |
| Replacement lamp | 5J.JL805.001 | |
| Light-source life | 4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic | |
| Warm-up time | About 30 s |
Optics
| Throw ratio | 1.13–1.46:1100″ · 2.49–3.23 m | |
| Image size | 30–300 in | |
| Projection offset | 105% | |
| Zoom | Optical | |
| Zoom ratio | 1.3×Derived | |
| Focal length | 11.9–15.5 mm | |
| Aperture (f-number) | 1.94–2.07 | |
| Focus | Manual | |
| Vertical lens shift | ±5% Digital lens shift, not a moving lens | Digital lens shift, not a moving lens |
| Vertical keystone | 40° | |
| Auto keystone | Yes |
Motion & gaming
| Max input refresh | 1080p: 240 Hz · 4K UHD: 60 Hz Input timings for which Fast Mode can be enabled | Input timings for which Fast Mode can be enabled |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 4K UHD: 60 Hz 33.4 ms Fast Mode (Game picture mode); the 4K 60 Hz signal is downscaled to 1080p | Fast Mode (Game picture mode); the 4K 60 Hz signal is downscaled to 1080p |
Inputs & control
| HDMI inputs | HDMI 2.0 (ARC, HDCP 2.2) · HDMI 2.0 (HDCP 2.2, internal) | |
| Other video inputs | VGA, Component | |
| Max input resolution | 4K UHD | |
| Audio inputs | 3.5 mm | |
| Control ports | RS-232 |
Smart platform
| Wi-Fi | Wi-Fi 5 | |
| Bluetooth | 4.2 | |
| Smart platform | Android TV | |
| OS version | 9 | |
| Google-certified | Yes | |
| Chipset | Amlogic S905Y2 | |
| RAM | 2 GB | |
| Storage | 16 GB | |
| Security updates until | 31 Dec 2024 | |
| Netflix | No | |
| Casting | Chromecast built-in |
Audio
| Speaker power | 5 W | |
| Speakers | 1 | |
| Layout | Mono | |
| Audio outputs | 3.5 mm, HDMI ARC | |
| HDMI audio return | ARCDerived |
Physical & installation
| Dimensions (W × D × H) | 312 × 225 × 110 mm | |
| Weight | 2,790 g | |
| Colours | White | |
| Orientations | Table, Ceiling, Rear | |
| Ceiling mount | M4 |
Environment & power
| Operating temperature | 0–40°C | |
| Operating humidity | 10–90%RH | |
| Altitude | 3,000 m · high-altitude mode | |
| Power draw | Max 340 W · Normal 297 W · Eco 206 W | |
| Standby | Up to 0.5 W | |
| Mains input | 100–240 V · 50/60 Hz | |
| Fan noise | Normal 35 dB(A) · Eco 29 dB(A) |
Safety & support
| Risk group | RG2 | |
| Warranty | 🇺🇸 US 3 yr (light source 1 yr or 2,000 h) Pre-installed lamps carry 2,000 hours or one year, whichever comes first. | |
| User manual | esupportdownload.benq.com | |
| Spare parts | Lamp 5J.JL805.001 |
In the box
| In the box | Power cord, Remote, Remote batteries, Quick start guide, Warranty card, VGA cable, Streaming dongle | |
| Remote | IR · voice |
Reviews
Articles
| Date | Title | Publication |
|---|---|---|
| April 23, 2021 | BenQ TH685i DLP Gaming Projector Review ProjectorCentral · April 23, 2021 | ProjectorCentral |
| — | BenQ TH685i Vorstellung – Full HD Gaming Beamer mit Android TV App HEIMKINO.de | HEIMKINO.de |
Videos
Similar models
| Model | Resolution | Tech | Lumens | Price | |
|---|---|---|---|---|---|
BenQ TH685 1080p · DLP | 1080p | DLP | 3,500 | $799 −$100 | Compare |
BenQ TH585 1080p · DLP | 1080p | DLP | 3,500 | $599 −$300 | Compare |
BenQ TH585P 1080p · DLP | 1080p | DLP | 3,500 | $599 −$300 | Compare |
BenQ TH685P 1080p · DLP | 1080p | DLP | 3,500 | $749 −$150 | Compare |
Optoma GT2000HDR 1080p · DLP | 1080p | DLP | 3,500* | $1,121.67 +$223 | Compare |
Optoma UHD35STx 4K UHD · DLP | 4K UHD | DLP | 3,600* +100 | $1,299 +$400 | Compare |
Other
Tools
- Throw calculator — How far from the screen the TH685i needs to sit for a given image size, set to its 1.127–1.46:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard, US | 🇺🇸 US | UPC | 840046044343 |
| MPN | TH685i | ||
| Standard, Europe | 🇪🇺 EU | EAN | 4718755084294 |
| MPN | 9H.JNK77.17E | ||
| All variants | All regions | Model number | 9H.JNK77.17L |
Sources
- BenQ US TH685i specifications
- BenQ TH685i datasheet (English, BenQ Europe)
- BenQ TH685i user manual V1.02 (English)
- BenQ US TH685i product page
- ProjectorCentral
- BenQ Europe lamp for TH685/TH685i
- ProjectorCentral BenQ TH685i specifications
- BenQ UK TH685i specifications
- BenQ US TH685i warranty
- BenQ US TH685i product info (in the box)