Features: 【double-Magnet Powerful Sound】Features a double-magnet full-ranges loudspeaker for more dynamic auditory performances. 【Metal-Rubber Hybrid】Crafted from selected metal and rubber, combining robust durability with flexible shock absorption. 【Portable Square Shape】Compact 3-inch square structure, lightweight and convenient use. 【Wide Compatibility】Supports connection to multiple devices without compatibility concerns. 【Stable auditory Output】double magnet technology ensures consistent auditory delivery with reduced distortion. Specifications: Component: Metal and rubber Power: 15W Power: 40W Frequency ranges: 108Hz-20Khz Sensitivity: 90db Process: double magnetic ensures sound quality stability Size: 78mm/ 3inch square Shape Optional ：4ohms/ 6ohms/ 8ohms For home theater, car auditory and portable loudspeakers, providing excellent sound quality experience Package Includes: 1Set 3inch square double magnetic full frequency loudspeakers note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.