The JBL CSS 8018 is a passive in-ceilling, 2-way, 8" loudspeaker with up to a total of 20W with a built-in 100V / 70V / 25V transformer, sensitivity 97dB and it has 50Hz-17kHz frequency response. The installation depth is 73mm and the ceiling cutout diameter is 216mm.
Focal Littora 1000 ICW10, indoor/outdoor, in-wall/in-ceiling coaxial loudspeaker with 10 inch speaker driver and Beryllium tweeter for use in yachting and humid spaces. The recommended amp power is between 50 – 200W at 8Ω with 92dB sensitivity and 38Hz-40kHz frequency response.
QSC AC-C8T high quality 8 "ceiling speaker. It offers clear sound, suitable for announcements, background, music and in general for applications that require sound amplification.
JBL 2-way ceiling speaker 16Ω 40W 86dB with 130° wide dispersion, perfect for commercial spaces. Combines superior sound quality with easy installation and professional reliability.