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Tannoy CMS 603DC BM — a 6-inch Dual Concentric in-ceiling loudspeaker with a black mask, suited to discreet commercial and residential audio installations where a dark grille is preferred. The CMS 603DC BM is part of Tannoy's CMS (Ceiling Mount Speaker) series featuring the company's signature Dual Concentric driver technology. The 6-inch Dual Concentric unit places the high-frequency compression driver at the acoustic centre of the low-frequency cone, creating a true point-source output for coherent, consistent dispersion across the listening area without the phase artefacts of conventional two-way designs. Wide uniform dispersion reduces the number of speakers required to cover a given area. The BM (Black Mask) designation provides a black grille ring and grille cloth rather than the standard white finish, suited to dark ceilings, exposed concrete, or entertainment environments where a white speaker would stand out. Compare CMS 803DC (8-inch) for larger spaces requiring more output. Key features 6" Dual Concentric driver — true point-source coaxial design Wide, uniform dispersion across the coverage area Black Mask (BM) grille — suits dark ceilings and entertainment spaces Discreet flush-mount form factor Suited to commercial, hospitality, and residential installations Specifications Model: CMS-603DC-BM Driver: 6" Dual Concentric Grille: Black Mask (BM) Mount type: Flush in-ceiling Application: Commercial, hospitality, residential installation Brand: Tannoy Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.