There are several, none of which I have had. Besides 2 channel many HT speakers are designed for wall use. Here is an example.
Emerald On-Wall The Emerald On-Wall is being discontinued, call or email for availability
The Emerald On-Wall is one of the first of its kind: a high-end speaker model specifically designed to be mounted on-wall or on-ceiling. The Emerald On-Wall not only features superb sonic performance, it is built to ACI's high standards and features a variety of "looks" to match virtually any decor. The base model is in architectural black. Add any of ACI's optional solid hardwood side panels to complete your "look".
Use the Emerald On-Wall anytime you demand high-end sound performance but need or prefer a speaker that takes up almost no room. For years, audiophiles and videophiles have given the Emerald the highest marks for musical reality. With the Emerald On-Wall, we've adjusted the tuning of the speaker to take advantage of the on-wall placement.
Click here for Emerald On-Wall Details
(Emerald On-Wall featured left w/Rose Walnut finish)
The Emerald On-Wall is ACI Direct Priced starting at $700.00 pair*
Closeout pricing too low to print email firstname.lastname@example.org for price and availability
Black: Architectural Black (No Wood Panels)
Wood 1: Cherry (Standard finish, usually in stock)
Wood 2: Clear Oak, Black Oak, Honey Oak, Maple, Walnut, Rose Walnut & Mahogany (Optional finishes, might be in stock, call or Email. Usually two to four week lead time)