The Earthquake Sound ECS 4.0 v2 Edgeless In-Ceiling Speaker was designed within limitless applications and sound quality in mind. The small footprint of this 4" full-range speaker was made for a variety of indoor as well as outdoor applications. The self-enclosed design with humidity resistant components and makes the ECS 4.0 v2 perfect for kitchens, bathrooms, garages, covered outdoor areas, and commercial spaces. Installation is painless with a toolless mounting system that makes your installs faster and more efficient – simply push the speaker into any 99mm diameter hole with a depth of 3 inches. The edgeless design and paintable anti-rust aluminum grille allow each speaker to vanish and not interrupt the décor of the room. The ECS 4.0 v2 is built to perform allowing you to enjoy music and audio in the home or commercial space.