Type2-way bass-reflex Woofers4″ waterproof cone Tweeter1″ fluid-cooled, coated balanced dome Frequency Response100 Hz–20 kHz Nominal Input Power30 W Maximum Input Power80 W Sensitivity85 dB/2.83 V/1 m Impedance8 ohms Dimensions (W x H x D)6” x 9-5/8” x 6-3/4” Weight2.9 lbs. 1.3 kg/unit General specifications I/O connectorsPush Terminal (Applicable Cable *Max, Twisted wire : 8mm²/ AWG 8) Flying and mounting hardwareU-bracket (Movable angle: 81°) *degree pitch:13.5° WaterproofIPx3 OthersPackaged in pair.