J&M's custom lower-fairing speaker/housing kit has been design for the 2006-2013 Harley Ultra, Ultra Ltd or CVO with Harley VENTED lowers. The ROKKER Performance Series 6.58" speakers are spec'd at 2 ohms impedance and 200 watts maximum input (130w RMS - 91db sensitivity). Lightweight waterproof one-piece woven-fiber driver cone with super-rigid metal basket design. High-density lite-weight Neodymium magnet structure, specially coated to maintain flux-strength integrity even at extreme operating temperatures. Integral high-output PEI dome tweeter with custom J&M grills included. These are THE MOST efficient speakers you can buy for your Harley and they will perform extremely well when used by themselves or with a small to medium sized accessory amplifier. These high-impact quality molded speaker housing inserts are painted vivid black and can be re-painted to match the color of your Bagger. This kit is 100% plug-n-play with lower speaker wiring harness included.