The EAK70B-A is a set of 2 speaker mounts. Each mount features an adjustable side clamping base that accommodates speakers from 5. 6 inches to 12. 5 inches in width. Each mount supports a speaker up to 44 lbs. Adjustments include upward tilt of 5 degrees and downward tilt of 15 degrees. Distance from wall of 10. 5 inches. Installation into stud or solid wall is required.