Martin Audio ACP-55T - Compact Two-Way 5.35-Inch Pendant Loudspeaker (White / Pair)Priced and sold in pairs. As part of the ADORN commercial loudspeaker series, the ACP 55T is a compact, two way pendant loudspeaker designed for background and foreground applications hat require premium performance and cost competitiveness in spaces with open ceiling architecture. Features: High performance two way pendant speaker 5. 25" (135mm) LF driver and 0. 75" (19mm) HF dome tweeter Wide 150 conical coverage pattern reduces speaker count