SMSL SA-36A Pro 20WPC TPA3118D2 Digital Amplifier AMP 12V Power Supply Black SA-36A Pro is TI Texas InstrumentsTPA3118D2DAP as the core the use of high-quality digital amplifier EPCOS 8 large capacity power supply filter capacitor filter Panasonic reserves required to solve large dynamic bursting SA-36A Pro with Texas Instruments simplest design schematics design standards Try to use the least the best material for the principle Avoid unnecessary coloration to the highest possible degree of reduction of musical flavor