6'x9' 3-way speakers with Polypropylene Plus One cone woofer and rubber surround for enhanced durability and sound quality Edge-driven silk dome tweeter and supertweeter for clear high-frequency performance Handles up to 85 watts RMS (255 watts peak power) with a wide frequency response of 50 Hz to 20,000 Hz Low impedance of 3 ohms for efficient power utilization and high sensitivity of 93 dB for loud and clear sound output