15.67 in 4.53 in  | 9.65 in 4.25 in  | |
| User rating |
 Acer M550 |  Epson EMP-83H | |
|---|---|---|
| Projector type | DLP | LCD |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Number of headphone outputs | 1 | 2 |
| Number of VGA (D-Sub) ports | 2 | 1 |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Noise level | < 29 | < 35 |
| Operating relative humidity (H-H) | < 80 | 20 - 80 |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Width | 15.67 in | 9.65 in |
| Height | 4.53 in | 4.25 in |
| Depth | 11.72 in | 12.87 in |
| Weight | 12.13 lb | 5.95 lb |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Focal length range (f-f) | 20.91 - 32.62 | 18.4 - 22.12 |
| Focus | Manual | Manual |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Type of lamp | UHP | UHE |
| Lamp life max (normal) | 4000.0 h | 3000.0 h |
| Lamp life max (eco) | 15000.0 h | 4000.0 h |
| Bulb power | 240.0 W | 170.0 W |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Screen size compatibility | 26 - 302 | 30 - 300 |
| Number of colours | 1.07 billion colours | 16.78 million colours |
| Aspect ratio | 16:9 | 4:3 |
| Brightness (max) | 3000.0 lm | 2000.0 lm |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Number of Ethernet LAN (RJ-45) ports | 1 | 1 |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Number of built-in speakers | 2 | 1 |
| RMS rated power | 5.0 W | 10.0 W |
| Acer M550 | Epson EMP-83H | |
|---|---|---|
| Power consumption (typical) | 315.0 W | 248.0 W |
| Power consumption (standby) | 0.5 W | 4.1 W |
| Pros | ||
|---|---|---|
| Cons |
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