4" Commercial Series Ceiling Speaker. 90 dB sens, 5W multi-tap for 100V/70V 25V, pre-assembled with driver/grille/transformer, 175 deg coverage; punched metal grille, compatible with CSS-BB4 backcan...
JBL 8" Commercial Series Ceiling Speaker. 96 dB sens, 5W multi-tap for 100V/70V 25V, pre-assembled with driver/grille/transformer, 120 deg coverage; punched metal grille, compatible with CSS-BB8...