When it comes to figuring out how many watts your speakers need, there are a lot of factors to consider. The size of the room, the type of music you're playing, and the acoustics all play a role in how much power your speakers will need.
Generally speaking, most home stereo speakers need between 10 and 100 watts of power. But that's just a general guideline - your specific needs may be different.
To get a more accurate idea of how many watts your particular speakers will need, start by looking at the manufacturer's specifications. They should have an RMS (root mean square) rating listed somewhere - this is the amount of power that the speaker can handle on a continuous basis without being damaged.
Next, take a look at your amplifier's wattage output. You'll want to make sure that it can provide enough power to drive your speakers at their rated RMS level. If not, you may end up damaging your speakers or having them sound distorted and muddy.
Finally, keep in mind that peak wattage is not as important as RMS wattage when it comes to choosing an amplifier for your speakers. The peaks are only momentary - it's the continuous power output that really matters. So don't get too caught up in numbers when shopping for an amp - focus on finding one that can provide enough clean power for your particular setup.