The Soundtube RS4-EZ is a 4-inch, full-range, Open-Ceiling
Speaker and features a SpeedClamp™ self-locking wire grip for
quick, easy and reliable installation. It includes hanging
hardware and SoundTube’s customizable driver and electro-
acoustic network route high-quality sound in a low-cost
speaker design. The RS4-EZ speaker has a low-profile grille
and a 5-position tap switch with transformer bypass position.