SMSL SA 98E 160Wx2 TDA7498E AMP Big Power HIFI Digital Amplifier with 36V Power Adapter Supply This S.M.S.L high grade amplifier has advanced aluminum surface, plus sand-blast, wiredrawing, oxidation, and laser engraving craft, it becomes more stylish and attractive than others. SA-98E is STMicroelectronics TDA7498E as the core, equipped with high-quality advanced digital amplifier EPCOS, Panasonic, ALPS, RIFA, ERO subtle accessories. Surface craftsmanship: sand-blast, wiredrawing, oxidation and laser engraving, never fade like paint spraying. Circuit material: 1.6mm thick all glass fiber, 20Z copper, advanced IMG processing. Dimension: Approx. 168 x 98 x 36mm/6.6 x 3.8 x 1.4".