Klipsch CDT-5800-C 8" Two-Way Pivoting In-Ceiling Loudspeaker - Each Two-way system using One 1 (2.5cm) titanium dome compression tweeter with a swiveling 100-degrees drive components Tractrix Horn and One 8 (20.3cm) pivoting aluminum cone woofer 50-Watts (200-Watts peak) Power Handling Accommodates 12 Gauge Wire Diameter - 11 (27.9cm)