ClearView Audio, the maker of an "invisible" wireless speaker system formerly known as Emo Labs, announced that it has officially moved its headquarters from Waltham to a slightly larger office in Wellesley. The company said it left 6,500 square feet at 186 3rd Ave. in Waltham and moved to 110 Cedar St. in Wellesley Hills. The new location features 7,500 square feet of space, giving the company the ability to create a state-of-the-art sound and engineering lab as well as provide more room for expansion. "We…