In Your Wall, In Your BudgetTo perform well with a budget in mind is to perform well, indeed. This practically invisible in-wall speaker is your introduction to the world of stealth audio; with superior components for performance the critics consider top-flight in its class. Built to satisfy the need for clutter-free audio, interior design savvy and audiophile performance standards, Vanishing RT speakers are the best sounding entry-level in-ceiling & in-wall speakers Polk Audio has ever made.Single speaker - Priced and sold individually.