This two-way 6.5 inch takes 80w RMS and 240 max watts with an 89 DB sensitivity rating. Your radio may be powerful enough bring these very loud speakers to extremely high volumes. The ZXI-654 are highly durable and extremely loud 6.5 car speakers built for the average to extreme audio systems. The glass fiber kevlar cone on these 6.5 coaxial speakers helps give higher sensitivity and produce more overall sound when on lower power. These 6.5 speakers are versatile and can be used in many applications. These 6.5 door speakers have a two way design so they can bring a full range of frequencies to your ears with great sound quality. NEVER STOP INNOVATING ATTITUDE - DS18 stands out from other brands with our progressive designs and unwavering commitment to delivering the most technologically up-to-date products on the market.