cm8Bowers & Wilkins CM8 S2 Tower Speaker Review: | Chat with us on: | Call for sales and support:...CM8.4 8-inch Mid-Bass - 4Ω quantity. Add to cart. Pro Sound for 2014 & Up Harley Street Glide, Road Glide, Electra Glide, & Ultra. 250WRMS500 MAX Power Handling; Neodymium hh energy lht weht N35 magnet structure;