So if the first digit is a 5 for example this means there is a left center right and a pair of surround speakers.
Dolby atmos ceiling speakers placement.
A 5 1 2 or 7 1 2 system uses two ceiling speakers or two dolby atmos enabled speakers or modules.
How to set up your system to create an optimal sound system enabled with dolby atmos first familiarize yourself with the role and position of each speaker.
Dolby atmos speakers either go in the ceiling or on top of your main speakers to fire up and bounce off the ceiling.
Dolby atmos speaker layouts parallel the 5 1 and 7 1 setups for surround sound.
Then choose a central seating point and angle your speakers at it keeping them at your ear height when you are seated unless noted otherwise.
If you want to add 2 of them then you get the option to place them either on top of the front speakers to place them in the middle or above the rear speakers.
A dolby atmos surround sound system incorporating only in ceiling speakers is not recommended.
The speakers should be placed outside the perimeter of the seating area and in line with the left and right mains.
To add overhead sound you can use two or four speakers mounted in or on the ceiling or use dolby atmos enabled speakers that fire sound upward toward the ceiling from where it s reflected back to the listening area.
For a 5 speaker setup the left and right surrounds should be to the left and right of your main seating position as far apart as your front left and right speakers.
Almost all new av receivers that support dolby atmos and dts x give you a variety of setups for the ceiling speakers.
A 5 1 4 or 7 1 4 system uses four ceiling speakers or four dolby atmos enabled speakers or modules.
The next digit is the number of subwoofers.
You can add a single speaker in the middle of the area.
A 9 1 2 system adds a pair of front wide speakers to a 7 1 2 layout.