Klipsch CDT-2800-C 8" Two-Way Pivoting In-Ceiling Loudspeaker 50-Watts (200-Watts peak) Power Handling Two-way system using one 1 (2.5cm) silk dome tweeter with a swiveling 100-degrees Drive Components Tractrix Horn and one 8 (20.3cm) pivoting poly woofer Accommodates 12 Gauge Wire Diameter - 11 (27.9cm)