White, active ceiling speakers [pair] 2 x 30w (rms), 1 x stereo line-level input (via 2-phono), 1 x stereo line-level output (via minijack to loop to second set), 1 x Bluetooth 4.0 input, IR remote control, Low-impedance, 2-way: 6.5" polypropylene woofer and 0.5" advanced tweeter, cutout diameter: 198 mm (7.8"), depth: 82 mm (3.2"), outer diameter: 224 mm (8.8"); bezel-less grille;