Bowers & Wilkins CI600 Series 664 in-wall speakers are a high-end audio solution for home entertainment systems. With a 6" glass fiber midbass driver and 600W RMS power, these wired speakers deliver exceptional sound quality. They are designed to be installed in walls, making them a discreet and space-saving option for any room. The Bowers & Wilkins brand is known for producing high-quality speakers, and the CI600 Series 664 is no exception.