The RMS (Root Mean Square) rating for door speakers will depend on various factors, including the speaker's size, sensitivity, and the overall audio system setup. However, as a general guideline, a good RMS rating for door speakers in a car audio system is typically between 30 to 100 watts RMS per channel.
Here are some considerations to keep in mind:
Speaker Size: Smaller door speakers usually require less power, while larger speakers can handle more power.
Sensitivity: Speaker sensitivity refers to how effectively it converts power into sound. Speakers with higher sensitivity ratings will produce louder sounds with less power.
Amplification: If you plan to use an external amplifier to power your speakers, ensure the amplifier's power output matches or slightly exceeds the RMS rating of the speakers.
Audio Quality: While power handling is essential, focus on finding speakers that provide clear and accurate sound reproduction within their RMS power range.
Budget and Use: Consider your budget and how you intend to use the speakers. High-power speakers may be unnecessary if you mainly listen at moderate volumes.
Remember that it's essential to match the RMS ratings of the speakers and amplifier to avoid damaging the speakers or getting unsatisfactory sound quality. If you're unsure about the best RMS rating for your specific vehicle and preferences, consult with a knowledgeable car audio professional for personalized recommendations.