Suitable for 5.1, 6.1, & 7.1 home theater systems. Several configurations are possible:
Use three of these as the Left, Center, and Right speakers (LCR). Mounting the left and Right speaker vertically and the Center speaker horizontally.
Use one of these as the center speaker, mounted horizontally, and standard in-wall speakers of your choice as the Left and Right speakers.
Note: Horizontal mounting requires minimum 13 15/16 between studs. So it fits within normal stud spacing!