Cyber Acoustics Bluetooth 2.1 Speaker System: * Satellites: 2 Watts/ch x2 at 4 ohms at 10 percent THD * Subwoofer: 4 Watts at 4 ohms at 10 percent THD * Internal power supply * Convenient desktop controls * Low distortion, high-powered amplifier * Magnetically shielded * Connects via Bluetooth to computer or other Bluetooth-enable devices * High efficiency and excursion drivers