DESC: SpeakerCraft's Whole House Audio in-wall and in-ceiling speakers offer high performance and great appearance at a sNo separate mounting brackets are required, saving time and expense. With eight models to choose from you no longer need to compromise between budget restraints and great sound. The WH5.2R 5-1/4'' round in-wall speaker with aluminum grille has a polypropylene cone woofer mounted in a special basket to prevent drywall from coming in contact with the woofer cone. It also has a 1/2'' liquid-cooled dome tweeter with coaxial-axial mount. 100% weather resistant for outside use.