The Paradigm Atom v.3 (introduced in 2002) is a compact, highly regarded 2-way bass-reflex bookshelf speaker. It features a 0.75" ceramic-metal dome tweeter, 5.5" polypropylene-cone woofer, and an integrated non-removable grille/baffle design. The Atom v.3 is known for having exceptional midrange clarity and punchy bass response.