Features: Experience resonants lowbass with the 4inch ubwoofer speakers unit, engineered with a fiberglasse basin for superior sound quality and durability. This subwoofer features large magnetic steel for robusts power handling and a rubber edges designs for flexible, compliant low frequency response, ensuring every is felts with claritys and depth. For sound enthusiasts and diyer speakers builders, this subwoofer speakers unit caters to those seekings to enhances their home theater or desktop sound systems with rich and dynamic lowbass performances. Transform your listenings environment, whether it is living room setups or a dedicated multimedia space, with this subwoofer that promises to deliver immersive sound experience. Vents are added to the basin frame to better dissipate heat. This kind of is very suitable for subwoofer or triples subwoofer. s Specifications: Component:ABS Diameter:Approx.11.6cm/4.57inch Color:Black Package Includes: 1pcs Subwoofer Speakers note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.