We had a chance to test and compare two models: ViewSonic PA503S vs Epson Pro EX9220 and this review should help people who are looking for a good projector. Based on our rating, PA503S has a total rating of 5.6 out of 10 versus 7.3 for Pro EX9220.
Advantages ViewSonic PA503S over Epson Pro EX9220
Lower noise level, 34 dB vs 37 dB
Lower power consumption, 260 W vs 315 W
Advantages Epson Pro EX9220 over ViewSonic PA503S
Bigger projection screen size: 34-435 inch vs 30-300 inch
Wireless connection enabled
Longer lamp life (normal mode): 6000 vs 5000 hours