BenQ HT4550i need help with screen type and size

swosin

New member
So here it goes I'm currently in the process of building my home theater room but having trouble determining what screen to get for my home theater (First time getting into projectors). After much research I decided on the BenQ HT4550i projector
Room measurements are the following: https://19216811.cam/ https://1921681001.id/
Room Width: 161"
Room Height: 131"
Room Length (depth): 161"

Mounting: I'm thinking of getting a wall cabinet so I can mount the projector on top

Other details of the room:
1- I currently have my sound system and it has 2 towers which will take some space on the sides based on this I deduced that the biggest Screen I could accommodate is a 135" inch screen (16:9)
2- The room can be painted fully black or any other color I may choose to
3- Ambient light can be fully controlled so that the room is fully black to very low ambient light

My biggest confusion are the screen size and gain that it must have. I'm unsure if the BenQ HT4550i could do a 135" inch screen with my room size and if that is recommended. Also I read up on gain and what it is but unsure what gain the screen must have to have a good color. I was looking at the 135" Cinegrey 1.0 gain High contrast screen and that was the screen I was currently interested in.

Any recommendations of screen size and type are greatly appreciated
 
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