Alpine AD-SPK1PRO Turn1 Bluetooth Speaker & Roll Bar Mounting Bracket The Alpine Turn1™ Waterproof Bluetooth® Speaker with Universal Mounting Bracket Package is an easy to attach, portable speaker. Attach this speaker to your Jeep Wrangler roll bars or Sid x Side roll bars for music that will keep up with your adventures. This speaker has 2 midrange speakers, 2 tweeters, and two external passive radiators and can produce up to 40 watts of crystal clear sound. This portable speaker is waterproof and has four adjustable straps to ensure a snug fit on either application. The cast metal brackets are designed with a foam backing to ensure protection from scratches on the vehicle when in use. You can also easily remove the speaker with the quick release straps on the brackets and throw the carry strap over your shoulder for on-the-go listening. Product highlights: Bluetooth 5.0 for streaming from compatible devices IPX67-rated waterproof two midrange drivers and two tweeters dual side-firing passive bass radiators 36 watts RMS, 40 watts peak frequency response 50-20,000 Hz 3.5mm stereo minijack input for portable players pair two Turn1 speakers for true stereo sound built-in mic for hands-free calling with paired smartphone cast metal universal mounting bracket designed to attach to Jeep Wrangler or side-by-side UTV roll bars four 14" adjustable straps foam back to prevent scratches to vehicle quick-release speaker straps 3-foot carry strap USB to Micro-USB charging cable built-in rechargeable lithium ion battery lasts up to 12 hours 11-1/16"W x 4-11/16"H x 4-3/4"D weight: 3.81 lbs. warranty: 1 year