80W speakers with 8 ohms impedance and 90dB sensitivity deliver powerful, clear, and consistent audio output 8" polypropylene cone woofer and a 1" soft-dome tweeter keep the highs and lows crisp 2-way crossover design produces ideal sound by perfectly directing audio between the woofer and the tweeter 45Hz to 30kHz frequency response enables accurate sound reproduction throughout a broad spectrum Humidity-resistant construction keeps the speakers rust-free when installed in bathrooms and saunas Binding posts enable a reliable and secure connection Compatible with Dolby Atmos Required accessories (sold separately) In-wall speaker wire (make sure to measure the room so you'll know how much wire to get)