Speco Technologies SP-8C 8-Inch 2-Way In-Ceiling Speaker with Pivoting Tweeter, White Single 2-way in-ceiling speaker ideal for rooms with limited space 8-inch polypropylene woofer and 1-inch pivoting hard dome tweeter Swiveling tweeter lets user adjust the high-frequency listening angle 70 Hz to 20 kHz frequency response; 30 watts RMS power (50 watts max) 10.75 inches in diameter; requires 9.38-inch cutout and 3.25-inch mounting depth