Nucleus Micro Loudspeaker-Matte Black The best-selling speaker from Anthony Gallo Acoustics, loved by audiophiles for more than 20 years. Your ears wont believe the rich, dynamic sound, and your eyes wont believe the size. Easily outperforms speakers many times its size (and price). Patented Gallo sound technology at its best. Desk/Shelf O-ring included. Other mounting options are available, including Wall, Ceiling, Table & Floor stands.