Visaton-DL-18-2-T-8 Ohm-6-5-Inch-Ceiling-Speaker-Visaton-DL-18-2-T-8-OHM-P-The-Visaton-DL-18-2-T-is-a-17cm-6-5-inch-Hi-Fi-ceiling-speaker-with-a-corrosion-free-grille-The-speaker-is-suitable-for-the-installation-in-suspended-ceilings-of-any-material-P-P-The-speaker-is-easy-to-install-thanks-to-the-snap-in-mounting-ring-Just-place-the-speaker-in-to-the-round-ceiling-cut-out-&-the-mounting-ring-can-be-positioned-A-push-terminal-block-allows-a-quick-&-easy-connection-for