| Customer review |
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Brief Introduction
Beta 2.5 |
The aao model YG491 is an LCD LED projector with HDTV 1920 x 1080 resolution and a contrast of 10000:1. Due to the LEDs, the projector has a light lifespan of up to 50000 hours, which is over 34.2 years at four hours of use per day. The projector also offers an integrated media player that can be used to play files directly. A picture width of up to 216 cm is possible because the projector has 450 ANSI lumens. However, if there is room light, the picture should be a maximum of 144 cm wide. Since the projector recognises Airplay, Miracast Screen Mirroring signals, it is possible to play videos with high resolution and surround sound directly from a smartphone, tablet, PC (Android, Windows and iOS) via WLAN. Another extra to be mentioned is that the projector can be connected to external wireless speakers via the Bluetooth function. Furthermore, it is Full HD 1080P compatible.
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| Display Type |
1 x LCD Panel
HDTV 16/9 Liquid Crystal Display
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| Ansi-Lumen |
Projector |
450 |
Screen |
200 Lux (200 cm Screen width) |
| Contrast |
10000:1 full on/off |
10000:1 full on/off 
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| Black Level |
0,0450 min. Lumen |
0,02 min. Lumen |
| Offset |
-
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| Resolution |
HDTV 1920 x 1080
2.073.600 Pixel |
| Video Modes |
Pal, SECAM, NTSC, HDTV 720p, 1080i, 1080p, EDTV 480p, 576p
Media player formats: Mediaplayer |
| Application |
Standard-Portabel | External training and company presentations, as well as product presentations.
Very narrow picture width and rooms with very little light. |
| Light Source |
LED
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| Light Life |
50000 h. |
| Operating Costs |
0,00 € LED
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270 cm (no Zoom)
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Lux: |
200 Lux |
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Room light max.: |
40 Lux |
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Candela pro m²: |
65 cd/m² |
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Foot-Lamberts: |
19 fL |
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Screen width: 200 cm Gain:1 |
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| Focus |
Automatic |
| Zoom |
No Zoom |
| Objective |
- |
| Throw Ratio |
1,35:1 |
| Audio |
2 x 5W Dolby Atmos |
| Connections |
2x HDMI in
2x USB in
Mini Jack Audio out
Bluetooth 5.1 in und out
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| Ceiling Mounting |
- |
| Power |
- |
| Size WxHxD |
224 x 135 x 220 mm (8,8"x5,3"x8,7") 6,65 L/dm³
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| Operating Noise |
- |
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| Weight |
2,00 kg / 4,41 lbs. |
| Keystone |
- |
| Illumination |
- |
| Frequenz |
- |
| Foot-Lamberts |
19 fL
/ max. 216 cm screen width |
| Candela m² |
65 cd/m² |
| Features |
 Full HD 1080P compatible
Integrated Mediaplayer
Control via web browser
Wi-Fi network compatible.
Android 9.0
Auto 4P Keystone
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Miracast, Airplay |
In Comparison
The aao YG491 compared to others current "Standard-Portabel" projectors. |
| Ansi-Lumen: |
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4 |
Weight: |
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92 |
| Contrast: |
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1 |
dB: |
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0 |
| Black level: |
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99 |
Power cons.: |
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0 |
| Picture Total Points: | 35 |
Projector Total Points: | 0 |
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| Popularity Top 100 |
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| Points: |
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4 |
| Ranking: |
252 (From: 849) |
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| Status |
2022 Current model // Last update of the data: 2024-11-08
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| Data |
 Product Sheet english HC
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aao Website
