With small in size and light in weight, it is easy to operate and space-saving.Low distortion supplies a a clearer and more stronger sound.Made of aluminum alloy high quality material, it is solid and durable.The length of this product is 14cm, the width is 10.5cm and the height is 4cm.It is suitable for home or car to use.Item Name: SubwooferMaterial:Aluminum AlloySupply Voltage: 12VJack Input: 1/8" (Standard Stereo Jack)Input Impedance: 47KTotal Harmonic Distortion: 80dBFrequency Response: 20Hz-20KHzSize Details:14cm x 10.5cm x 4cm/ 5.51" x 4.13" x 1.57" (Approx.)Notes:Due to the light and screen setting difference, the item"s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Subwoofer Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.