Type: 2-way bass-reflex Woofers: 6-1/2″ waterproof cone Tweeter: 1″ fluid-cooled, coated balanced dome Frequency Response: 80 Hz–20 kHz Nominal Input Power: 50 W Maximum Input Power: 100 W Sensitivity: 87 dB/2.83 V/1 m Impedance: 8 ohms Weight: 2 kg/unit Waterproof: IPx3 Others: Packaged in pair.