REVOX I52. Round 2-way built-in ceiling speaker in white, available for installation in suspended ceilings of medium-sized and large rooms. Lush bass notes, a high resilience, and high efficiency are the strengths of Revox Built-in Speakers.
Focal 300 ICA6, 6.5-inch Flax Mid-bass 2-way in-wall or in-ceiling coaxial speaker with 1-inch (25mm) aluminium tweeter. The recommended amplification power is between 25-130W at 8Ω, it has 89.5dB sensitivity and 65Hz-28kHz frequency response at +/-3dB.
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.
Focal 300ICW4, 4-inch Flax Mid-bass 2-way in-wall or in-ceiling speaker with 1-inch (25 mm) aluminium tweeter. The recommended amplification power is between 25-100W at 8Ω, it has 88dB sensitivity and 80Hz-28kHz frequency response at +/-3dB.
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.