1 x JBL Control 24CT Micro Plus 4.5" Shallow Ceiling Speaker 100V/25W
Crossover Frequency: 3.5 kHz, 3rd order low-pass plus 3rd order high-pass with conjugate. 12 mm (.5 in) polycarbonate tweeter for extended response. 115 mm (4.5 in) woofer, injection molded graphite cone with butyl rubber surround.