The Apart CM-608 W is a passive, in-ceiling, 2-way, plasti, 6.5" loudspeaker with up to a total of 40W at 8Ω, max SPL 104dB, sensitivity 92dB and it has 60Hz-20kHz frequency response. The installation depth is 75mm and the ceiling cutout diameter is 186mm.
Focal 100 ICW6-T, in-wall/in-ceiling coaxial 2-way loudspeaker with 6 inch midrange speaker driver with Polyglass cone and 1 inch (25mm) aluminium tweeter. Ιt has an adjustable transformer which adjusts the power for a 70 volt/100 volt system.
The Apart CM-20T W is a passive, in-ceiling, 2-way, plasti, 6.5" loudspeaker with up to a total of 30W at 8Ω, max SPL 104dB, sensitivity 86dB and it has 60Hz-20kHz frequency response. The installation depth is 80mm and the ceiling cutout diameter is 186mm.
The Metro RF306 is a passive ceiling, 6.5" loudspeaker with up to a total of 10W at 8Ω with a built-in 100V transformer with tappings for 10 / 5 / 2.5W, sensitivity 92dB and it has 130Hz-15kHz frequency response. The installation depth is 85mm.