1. HIGHPERFORMANCE DUALOUTPUT DESIGN This 30W power transformer features an innovative 12V design with two outputs, specifically developed for the demands of highend 2.1channel amplifier boards to ensure pure sound quality without interference. 2. STABLE OUTPUT VOLTAGE, OUTSTANDING SOUND QUALITY The transformer of the channel amplifier board is carefully tuned to ensure a stable output voltage without fluctuations, so that your 2.1channel audio system delivers a clearer, more shocking sound experience. 3. PURE COPPER WIRE, LOW LOSS The transformer made of pure copper is internally wound with pure copper wire, which effectively reduces energy loss and improves conversion efficiency, providing a stable and strong power supply for your audio system. 4. STABLE PLASTIC SHELL MATERIAL The housing of the power transformer is made of plastic. Combined with the hightemperatureresistant internal design, it effectively extends the product lifespan and is the ideal choice for your audio upgrade.