Get on the road with Marshall Kilburn II portable speaker. Free from the confines of wires and cords, this Bluetooth speaker offers 20+ hours of portable playtime on a single charge. This stout-hearted Hero weighs only 6 lbs. And is the loudest speaker in its class. It produces a clear midrange, deep base and extended highs that are unrivaled for a speaker This size, and its multi-directional sound will immerse you in your music, indoor or out. Echoing the legacy of rock "n" Roll, Kilburn II has a solid metal grille that Pats homage to the steel mesh grille found on many microphones and a guitar inspired carrying strap for easy portability. Its flush mounted corner caps and water-resistant design make it supremely rugged and durable. Kilburn II is able to withstand even the longest days on the road.