A 9.1.2 system uses 2 ceiling speakers in additional to a basic 9.1 system. This is only recommended for a larger listening room. For the requirement of 9.1.2 ceiling speakers,…
A 5.1.2 system uses 2 ceiling speakers in additional to a basic 5.1 system. For the requirement of 5.1.2 ceiling speakers, they are not easy to fit for apartment but…