BenQ TH685
| Brand | BenQ · Home Entertainment |
| Type | Gaming |
| Status | Discontinued |
| Released | March 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, a rated 3,500 ANSI lumens, a 1.3x manual zoom and HDR10 and HLG support. It has a game mode with 8.3 ms input lag at 1080p 120 Hz, two HDMI 2.0b inputs and a 5 W mono speaker, with no smart platform. BenQ lists the TH685P as the newer model.
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.JKX05.001 | |
| Light-source life | 4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic | |
| Warm-up time | 30 s | |
| Cool-down time | 90 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 | |
| Autofocus | No | |
| Vertical keystone | 40° | |
| Auto keystone | Yes |
Motion & gaming
| Max input refresh | 1080p: 120 Hz | |
| 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 | 2 × HDMI 2.0 (HDCP 2.2) | |
| Other video inputs | VGA, Component | |
| Max input resolution | 4K UHD | |
| Audio inputs | 3.5 mm | |
| Control ports | RS-232 |
Smart platform
| Smart platform | None |
Audio
| Speaker power | 5 W | |
| Speakers | 1 | |
| Layout | Mono | |
| Audio outputs | 3.5 mm | |
| HDMI audio return | NoneDerived |
Physical & installation
| Dimensions (W × D × H) | 312 × 225 × 110 mm | |
| Weight | 2,790 g | |
| Colours | White | |
| Orientations | Table, Ceiling, Rear | |
| Ceiling mount | M4, 20–25 mm screws |
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) | |
| User manual | esupportdownload.benq.com | |
| Spare parts | Lamp 5J.JKX05.001 |
In the box
| In the box | Power cord, Remote, Remote batteries, Quick start guide, Warranty card, VGA cable | |
| Remote | IR |
Reviews
Articles
| Date | Title | Publication |
|---|---|---|
| June 13, 2020 | Test BenQ TH685 : l'avis de Grégory Mondoprojos · June 13, 2020 | Mondoprojos |
| September 17, 2020 | BenQ TH685 1080p projector review TechRadar · September 17, 2020 | TechRadar |
| May 16, 2020 | BenQ TH685 Gaming Projector Review: Unbelievably low input lag 9to5Toys · May 16, 2020 | 9to5Toys |
| — | BenQ TH685 HD DLP Projector Review Home Cinema Choice | Home Cinema Choice |
Videos
Similar models
| Model | Resolution | Tech | Lumens | Price | |
|---|---|---|---|---|---|
BenQ TH585 1080p · DLP | 1080p | DLP | 3,500 | $599 −$200 | Compare |
BenQ TH585P 1080p · DLP | 1080p | DLP | 3,500 | $599 −$200 | Compare |
BenQ TH685i 1080p · DLP | 1080p | DLP | 3,500 | $899 +$100 | Compare |
BenQ TH685P 1080p · DLP | 1080p | DLP | 3,500 | $749 −$50 | Compare |
Optoma GT2000HDR 1080p · DLP | 1080p | DLP | 3,500* | $1,121.67 +$323 | Compare |
Optoma UHD35STx 4K UHD · DLP | 4K UHD | DLP | 3,600* +100 | $1,299 +$500 | Compare |
Other
Tools
- Throw calculator — How far from the screen the TH685 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 | UPC | 840046042998 |
| MPN | TH685 | ||
| Standard, Europe | 🇪🇺 EU | EAN | 4718755081705 |
| MPN | 9H.JL877.13E |