Required hole size: 6" x 13 3/8". Each 2-way in-wall speaker includes two 5.25" mica polypropylene cone woofers with rubber edges and 10oz magnets for clear, distortion-free sound. The 20mm silk dome tweeter delivers smooth sound and a 15-degree pivot for sound placement.
Frequency Response: 63 Hz - 20, 000 Hz;
Sensitivity: 86+/-2 dB;
Impedance: 8 ohms;
Crossover: 12dB per octave;
Power Handling Capacity: 40-Watts Nominal, 80-Watts Peak. Sturdily built, moisture-resistant speakers can be used in bathrooms, saunas, or under outdoor eaves