The Yamaha NS-777 Floorstanding Speaker features dual 8" polymer-injected mica diaphragm (PMD) woofers, a 5" cone midrange driver with a waveguide horn, and a 1" aluminum dome tweeter. Designed with Highly Oriented Polyolefine, the speaker offers improved transient response, higher power handling, and a flatter frequency response. It is magnetically shielded for safe placement near TVs without causing image distortion.