Add to whishlist Make compaire In Stock|check Ceiling Speakers Djmania Code : 650111 APART CM-4Τ White Apart €32.50 In Stock The Apart CM-4T is a passive in-ceilling 4" loudspeaker with up to a total of 15W at 16Ω with a built-in 100V / 70V / transformer, sensitivity 90dB, max SPL 103dB and it has 90Hz-19kHz frequency response. The installation depth is 74mm and the ceiling cutout diameter is 108mm.