Features： 1、Excellent Performance: High sensitivity, high performance, high frequency response, strong sound performance, excellent sound quality. 2、High Quality: Aluminum surface, high driving efficiency. Sturdy speakers and uniform steel frame thickness ensure good sound quality. Moistureproof, reduce deformation. 3、2 Way Output: Clear and full treble, smooth and pleasant listening, stable and powerful bass, strong explosive power. 4、Good Design: High density magnet, strong sound quality, using space magnet, full power. High sound quality performance, high fidelity experience. 5、Easy Installation: Regular and symmetrical speaker terminals provide symmetrical terminals for effective and correct insertion. Specification： Item Type: Car Speaker Impedance: 4Ω Material: ABS+metal Diameter: Approx. 16.51cm/ 6.5in Frequency Range (hz): 70hz-21khz Audio Sensitivity: 91dB Maximum Power: 120W Minimum Power: 30W Application Range: Universal Car Horn Package List： 2 x Car Speaker 8 x Screw 2 x Miniature Speaker 2 x Audio Cable 2 x Frequency Divider