Features 1.Characteristic: High sensitivity high performance high frequency response high voice resolution and clear detailed description. 2.Good Sound Quality: Dual output the treble is clear and full and the listening is smooth and pleasant the bass is steady and powerful. 3.Advantage: Moisture proof reduce deformation high density magnet strong sound quality full power. 4.4 Ohm Impedance: This bass car speaker has 4ohm impedance which deals with the issue of undersized wires present in cars nowadays. 5.Premium Material: High quality metal strong sound performance excellent sound quality aluminum surface high driving efficiency. Specification Item Type:CarAudioWooferMaterial: ABS+MetalSize: Approx. 5in/12.6cmImpedance: 4Frequency Range (Hz): 60hz-20khzAudio Sensitivity: 93dB (1.5dB)Maximum Power: 400WVoltage: 12VApplication Range: Universal for Car Speaker Package List 1 xCarAudioWoofer