Optimal Audio Up 4O - 4" Passive Ceiling Speaker, 10W, 100 CRS310 Scheduling: Set regular on/off times

Scheduling: Set regular on/off times and customize brightness levels to suit your lifestyle

the XL version features a stronger and more robust construction

Model: CRS320-8P-8B-4S+RM

allowing for customization based on personal preference

0 H (1 kHz)

Optimal Audio Up 4O - 4" Passive Ceiling Speaker, 10W, 100 CRS310 Scheduling: Set regular on/off timesThe Optimal Audio Up 4O is a discreet 4 inch passive ceiling speaker designed to deliver consistent audio coverage and high quality sound in various commercial settings. With its open backed design, it is ideal for environments where aesthetics and affordability are key considerations, such as hotels, retail stores, restaurants, and more. Features Full Range Sound: Equipped with a 4 inch (105mm) driver, the Up 4O provides clear and balanced audio