Spotless Eternal 4.2 Passive 4" Bookshelf SpeakerBrand Name: Spotless Type: Hand made 4. 2 Bookshelf SpeakerInputs: Coaxial inputs Model Number: Passive 4" Package: Yes Two Way Split Mini BookShelf Speaker Original Tweeter Unit: Advanced swiss technology 4"TWO WAY: 60Hz low frequency art Erse Capacitance: Ultra Low ESR,transparent muiz flavor SLEEK DESIGN: 160*190*260mm HANDMADE: Sound with soul VOCAL MATE: Natural and clear voice BIRCH WOOD: Following the traditional materials used for musical