The Pyle PWRC61 6.5" Weather-Resistant In-Ceiling Speaker System (Pair) offers a 6.5" polyproPylene woofer with santoprene surround and a 0.5" polycarbonate tweeter. The speakers are weather resistant and are designed for installation in settings where moisture might otherwise ruin a traditional speaker. Frequency response is rated at 60Hz to 22KHz and peak power is rated at 300W. The unit is designed for placement in a ceiling and a cutout must be made to accommodate the dimensions of each speaker. This unit includes (2) speakers.