Description: High sensitivity: high voice resolution, details of full description clear High density: high voice efficiency, the use of aircraft magnets, full power Dual output: clear and full, soft and nice to listen to, bass calm and powerful, powerful High power output: suitable for a variety of music styles, popular, classical, jazz, country, rock, can be very good control High degree of sound reduction: HIFI level experience, stage board to enjoy stereo surround, tec Specification: Dia. : 102mm/4.02 inch 102" 102mm rubber edge bass 30mm PEL dome Frequency range (Hz): 97Hz-20KHz Sound sensitivity: 89dB Speaker types: Coaxial speakers Voltage: 12V Car: universal Material type: Metal and magnet Output power: 300W Impedance: 4 Omega; Signal ratio to noise: 89dB package Includes: 2 Pieces 4 Inch 300W Car Speaker Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Enjoy your wonderful online shopping!