Same price ≈ US$2,150
- Brightness (ANSI / ISO lumens) 3,000 lm vs 2,800 lm
- HDMI inputs 2 vs 1
- Built-in speakers (total output) 24 W vs 20 W
10 home cinema projectors at a similar price that compete with the O2 — what each does better, what it gives up and how the price compares.