Yamaha Custom Easy-to-install In-Ceiling Full Range Open Back 90 watts Mini Speaker Set (Pair of 2) with a 4" Double-Layered Cone Woofer + 100 feet of 16 Gauge Speaker Wire An easy-to-install in-ceiling or in-wall speaker system that has large mounting clamps with non-slip tread, magnetic grilles and high sound quality designed to meet various custom installation requirements and Blends in to any dcor. Yamahas smallest In-Ceiling Speaker, Less than 6 inches in Diameter, making it less noticeable with the same Dynamic Sound Yamaha is Famous For. Unique Design with Grain-finished acoustic baffle with spiral pattern for natural sound dispersion and a Slim Profile Design for flush in-ceiling or in-wall mounting Compatible with all Amplifier Powered Receivers, CD Changers & Component Sound Systems Connecting = 100 feet of 16 Gauge Speaker Wire Included to Connect Speakers to Receiver