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- QH31s vs E1R
AOpen QH31s vs Aurzen E1R
What QH31s does better (1) and where E1R wins (2) — every spec side by side.
Why is QH31s better than E1R?
- Audio outputYes · E1R: No
Why is E1R better than QH31s?
- AutofocusNo · QH31s: Yes
- Largest image size100″ vs 120″+20%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 720 (HD) | 1280 × 720 (HD) |
| Native panel resolution | 1280 × 720 (HD) | 1280 × 720 (HD) |
| Light source | LED | LED |
| Brightness (ANSI / ISO lumens) | 150 lm | 150 lm |
| Contrast ratio (dynamic / claimed) | 1,000:1 | — |
| HDR support | — | Yes |
| HDR formats | — | HDR10 |
| Lens & placement | ||
| Throw ratio | — | 1.1:1 |
| Throw type | — | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | — | 2.44 m |
| Largest image size | 100″ | 120″ |
| Lens shift | None | None |
| Autofocus | No | Yes |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | — |
| Smart & streaming | ||
| Built-in smart platform | — | Yes |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Built-in battery | — | Yes |
| Light source life | 30,000 h | — |
| Design & noise | ||
| Weight | — | 0.45 kg |
| Colours | — | White |
