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 ICW SUB10, indoor/outdoor, in-wall/in-ceiling subwoofer with 10 inch speaker driver for use in yachting and humid spaces. The recommended amp power is between 100 – 300W at 8Ω with 90dB sensitivity and 25Hz-500Hz frequency response.
TruAudio GPW-8 Ghost series 2-way in-wall speakers with 8" woofer and 1" tweeter. Premium sound with 90dB sensitivity, 40-20kHz response, and frameless design