FidelityPower Amplifier - Work in partnership with high-endspeakers, with high performance;simplicity yet sophisticated. Built-in Amplify Circuit Differentional Inputs - Adopt design of Classical Amplify Circuitand Differentional Inputs, Guaranteed ahigh audio dynamics and fidelity. CNC Aluminum Enclosure Treatment - Adopt costly integrated CNC Aluminum Enclosureanodizing treatment, delicate touch, simple and chicappearance. Integrated CNC treatment is not onlygood for heat dissipation, but also gives pleasantfeeling on visual sense. Easily Connect to Multiple Audio Players - TO CD Player, To Bluetooth & Audio Player, To Turntable (Vinyl Record Player), it makes you feel like that moment in concerts. Filter CapacitorExcellent Performance - Adopt costly authentic filter capacitor,with large capacity of7400*4=29600UFAdopt high-end magnetic ring and componentsguarantee a high . FOR AmplifierIC TDA8920CTH - With dual power supply of + 30Vmake it has not only technical parameters ofTransistor Power Amplifier, but also advantagesof Electronic Tube Power Amplifier. Colour:Silver-Gray Material:Aluminum alloy Package Contents: 1 * HIFI Stereo Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.