DS18 PRO-RY10.4NMB 10″ Mid-Bass /Woofer Carbon Fiber Water Resistant Neodymium Magnet 900 Watts Max 4-ohm The PRO-RY10.4NMB is here to bring an intense kick to your motorcycle! The PRO-RY10.4NMB ’s neodymium motor promotes higher sensitivity and extreme power handling for professional quality reproduction for casuals, audiophiles, and competitors alike. This speakers power ratings comes in at an unparalleled 450W RMS and 900W MAX power, helping push this speaker’s ability to deliver raw vocal power that brings your music to life! With frequency responses as high as 6.3KHZ and as low as 30Hz the PRO-RY10.4NMB has the perfect frequency bandwidth to bring out the best in your music during every session. The temperature tested 3” TIL Voice Coil utilized by the PRO-RY10.4NMB encourages users to play their music when they want and as long as they want! The PRO-RY10.4NMB ’s cone is made from a carbon fiber and resin mix reinforced by rubber surrounds for extra protection