BenQ LH650
MSRP$1,449

| Brand | BenQ · Business |
| Type | Business |
| Released | November 2023 |
| Resolution | 1080p |
| HDR formats | HDR10, HLG |
| Imaging technology | DLP |
| Light source type | Laser (phosphor) |
| ISO light output | 4,000 lm |
| Throw ratio | 1.15–1.5:1 |
| Input lag (rated) | 1920×1080 @ 120 Hz: 8.3 ms |
A single-chip DLP laser projector for meeting rooms and classrooms with 1080p output, a rated 4,000 lumens, and a 1.3x optical zoom lens. It has two HDMI 2.0 inputs, a USB-C input with DisplayPort Alt Mode, RS-232 control, and no built-in networking.
Data sheet
Picture
| Imaging technology | DLP | |
| Technology brand | DLP | |
| Number of imaging devices | 1 | |
| Chip / panel diagonal | 0.65 in | |
| Native aspect ratio | 16:9 | |
| Native resolution | 1920 × 1080 | |
| Optical system description | Blue laser diodes with a phosphor wheel and a six-segment colour wheel | |
| Colour wheel segments | 6 | |
| Dynamic contrast | 3,000,000:1 | |
| Dynamic light control | Laser dimming | |
| Rec.709 gamut | 92% | |
| Gamut metric | Coverage | |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | |
| Bit depth / 'number of colours' | 30 bit | |
| Colour management system | 6-axis | |
| Picture mode memories | 2 | |
| HDR formats | HDR10, HLG | |
| Tone mapping type | Adjustable | |
| Max refresh rate | 1920×1080: 120 Hz · 3840×2160: 60 Hz | |
| Input lag (rated) | 1920×1080 @ 120 Hz: 8.3 ms | |
| 3D support | Yes | |
| 3D formats | Frame sequential, Frame packing, Side-by-side, Top-bottom |
Optics
| Throw ratio | 1.15–1.5:1 | |
| Throw reference point | Lens | |
| Projection distance table | 30″: 0.76–1 m · 40″: 1.02–1.33 m · 50″: 1.27–1.66 m · 60″: 1.53–1.99 m · 70″: 1.78–2.32 m · 80″: 2.04–2.66 m · 90″: 2.29–2.99 m · 100″: 2.55–3.32 m · 110″: 2.8–3.65 m · 115″: 2.93–3.82 m · 120″: 3.06–3.99 m · 130″: 3.31–4.32 m · 140″: 3.56–4.65 m · 150″: 3.82–4.98 m · 160″: 4.07–5.31 m · 170″: 4.33–5.65 m · 180″: 4.58–5.98 m · 190″: 4.84–6.31 m · 200″: 5.09–6.64 m · 210″: 5.35–6.97 m · 220″: 5.6–7.31 m · 230″: 5.86–7.64 m · 240″: 6.11–7.97 m · 250″: 6.37–8.3 m · 260″: 6.62–8.63 m · 270″: 6.87–8.97 m · 280″: 7.13–9.3 m · 290″: 7.38–9.63 m · 300″: 7.64–9.96 m | |
| Zoom type | Optical | |
| Zoom ratio | 1.3× | |
| Focus | Manual | |
| Fixed offset | 106% | |
| Focal length | 16.88–21.88 mm | |
| F-number | 2.59–2.87 | |
| Image size range | 30–300 in | |
| Vertical keystone | -30–30° | |
| Horizontal keystone | -30–30° | |
| Corner / warp correction | 4pt |
Light source
| Light source type | Laser (phosphor) | |
| Light source detail | Laser | |
| Light source life | Normal: 20,000 h · Eco: 20,000 h · Smarteco: 20,000 h | |
| Warm-up time | 10 s | |
| Cool-down time | 2 s | |
| Light-source dimming | Continuous | |
| ISO light output | 4,000 lm ISO 21118 | ISO 21118 |
| ANSI lumens | 4,000 lm ANSI | ANSI |
Audio
| Speaker power | 10 W | |
| Speaker count | 1 | |
| Audio channels | Mono | |
| Audio outputs | 3.5 mm |
Inputs, control & connectivity
| Max input signal | 3840 × 2160 | |
| HDMI port count | 2 | |
| HDMI ports (feature-level) | HDMI-1: HDMI 2.0b, HDCP 2.2; HDMI-2: HDMI 2.0b, HDCP 2.2 | |
| Horizontal scan frequency | 15–135 kHz | |
| Vertical scan frequency | 23–120 Hz | |
| USB-C video (DP Alt Mode) | Yes | |
| VGA input | No | |
| RS-232 | Yes | |
| LAN control | No | |
| PJLink class | None | |
| Wi-Fi | None | |
| Ethernet | No | |
| Auto keystone | Yes |
Environment & power
| Operating temperature | 0–40°C | |
| Operating humidity | 10–90%RH | |
| Altitude / high-altitude mode | 3,000 m | |
| High-altitude mode | Yes | |
| Operating orientations | Table, Ceiling, Rear | |
| Rated voltage | 100–240 V | |
| Rated frequency | 50–60 Hz | |
| Power consumption (max) | 275 W | |
| Power consumption by mode | Typical: 200 W | |
| Standby power | 0.5 W | |
| Fan noise (sound pressure) | Normal: 34 dB(A) · Eco: 28 dB(A) |
Physical & installation
| Width | 304 mm | |
| Depth | 225 mm | |
| Height | 112 mm | |
| Weight | 2.9 kg | |
| Ingress protection | IP5X | |
| Colours / finishes | White | |
| Sealed optical engine | Yes | |
| Air filter | None |
Support & ownership
| Warranty | 🇺🇸 US 3 yr | |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/LH650/UM_EN_240620171822.pdf | |
| Photobiological risk group | RG2 | |
| Laser product class | Class 1 |
In the box
| Box contents | Projector, Remote control with batteries, Power cord, Quick start guide, Warranty card, Regulatory statements, HDMI cable | |
| Remote type | IR |
Tools
- Throw calculator — How far from the screen the LH650 needs to sit for a given image size, set to its 1.15–1.5:1 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 | ASIN | B0C8C51B61 |
| MPN | LH650 |
Reviews
| Date | Title | Publication |
|---|---|---|
| September 24, 2024 | BenQ LH650 Projector Review | ProjectorCentral |

