The wattage requirement for PC speakers depends on various factors, including the size of your room, the desired volume level, and the type of content you intend to listen to. For most users, a speaker system with a total power output of around 10 to 30 watts should be sufficient for regular PC use, multimedia playback, and casual gaming. However, if you plan to use your PC speakers for immersive gaming or to enjoy high-fidelity audio, consider more powerful options in the range of 50 watts or higher.