The Dual 100-Watt 3-Way Indoor/Outdoor Speakers are weather resistant, making them a great choice for permanent or temporary placement under an eave or on a patio deck. Featuring a 4 in. Polyelite PVA woofer that provides great surround sound, these speakers deliver 100 watts for high-fidelity results. Their 85.5 dB sensitivity and 100 Hz - 20 KHz frequency response provide powerful, accurate audio delivery.