Among the MB Quart Alexxa Series loudspeaker products offered are top-line premium performance In-Wall and In-Ceiling speaker systems. Alexxa Series In-Wall and In-Ceiling speakers incorporate the legendary MB Quart titanium dome tweeter technology in an aiming assembly. Both feature sealed hi-density metal back-box enclosures. The 5-1/4” thru the 8-inch Alexxa in-ceiling speakers feature 30-degree angled baffles and dual controls for boundary compensation behind the grilles. Special problem solving 2” and 3-inch Point Source in-ceiling speakers round-out the MB Quart Alexxa Series in-ceiling speaker line-up.