1.1. Powerful Performance With a digital amplifier board voltage range of ±55V to ±80V, this power amplifier board delivers an impressive output power of 500W, capable of driving 4Ohm to 8Ohm speakers (1018 inches), providing a quality sound experience for your audio system. 2.2. Sensitive Input Equipped with a 1.5 Vrms sensitivity input, this singlechannel digital amplifier board ensures precise signal reproduction, capturing every detail for sound quality. 3.3. Overheat Protection The IRS2092S power amplifier board features an overheat protection function that automatically shuts off the output when the heatsink FET temperature exceeds 100°C. This safeguards the board's functionality and extends its lifespan for reliable performance. 4.4. Quality PCB Designed for both functionality and durability, this power amplifier board boasts build density and agingresistant properties, ensuring longterm reliability and making it a valuable investment for your setup.