17% pricier ≈ US$280
- Built-in speakers (total output) 20 W vs 10 W
- Largest image size 300″ vs 120″
- HDMI inputs 2 vs 1
- Brightness (ANSI / ISO lumens) 700 lm vs 800 lm
- Light source life 20,000 h vs 30,000 h
10 portable & mini projectors at a similar price that compete with the QF18s — what each does better, what it gives up and how the price compares.