Features: Experience clear full ranges music with this 68mm/2.68inch speakers featuring N45 neodymium magnets and 20core voice coil for enhanced sensitivity and minimal distortion. Engineered with 4ohm impedance and 15W power handling, this waterproof speakers boasts IPX7 rate ABS/metal construction for optimal durability in demanding environments. Perfect for audiophiles, enthusiasts, and music lovers seeking premium sound quality in space efficient speakers systems or customs music projects. The optimized double magnets structure works synergistically with premium materials to deliver 15W power output while maintaining precise frequency response across 80Hz~20KHz ranges. Engineered for durability and precise, this small yet mighty miniature powerhouses elevates sound claritys with robust low frequency reproduction while maintaining a lightweight, versatile profile. Specifications: Component: ABS+Metal Size:Approx.68x68mm/2.68x2.68inch Option Type:1pc,2pcs; Power:15W Most Input:20W Impedance:4Ω Frequency Response:80Hz~20KHz Sensitivity:86±3dB Use scenario: Widely used in homes theaters, professional performances and portable music equipment. Package Includes: Package A 1pc Full Ranges Loudspeaker Package B 2pc Full Ranges Loudspeaker note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.