This car door speaker is solid and sturdy, which can withstand use. Features the ABS, Iron, Silk Film, Copper and Rubber material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This automotive speaker will make the repair and fix easier and smoother. Features -Color:Black -Material:Magnet, ABS, Iron, Copper, Rubber, Silk Film -Size:10.20X10.20X4.70cm/4.01X4.01X1.85in -Impedance: 4 -Rated power: 50W -Maximum power: -Frequency Response: 90-20MHz -Raised design,suitable for flow in the bass, let the sound calmly supple and beautiful. -Built for compact space. Loud and clear vocals all without affecting durability and performance. -Tuned by a senior sound engineer, it has strong and elastic low frequency, which makes every note vibrate in your ear. -Solid support structure for play in most any environment and give high levels of audio output in your car. -High performance magnetic field strength, so that the horn in high power operation without distortion to maintain fluency. Package list: 1 speaker