Bosch LC5-CBB Back box for LC5-WC06E4 ceiling speaker
$14.30
The TOA CP77 grille can easily be attached to the CM-760 speaker.
TOA PC1860 6W 5″ Single Cone Speaker with Metal Grille and spring catch mounting, 80Hz-20kHz, 94dB 150mm
6W 5″ Single Cone Speaker, Metal Grille, WHITE, 100Hz-18kHz, 90dB.