Full-range loudspeaker with 1-inch voice coil contains five inch diameter speaker. Compact enclosure includes flame-retardant, acoustical insert to eliminate standing waves and metallic resonance. Dynasound’s DS1375 soundmasking speaker is designed for quick and easy installation into suspended acoustical tile or drywall ceilings. Loudspeaker assembly offers clean appearance with no exposed controls from below. It provides uniform dispersion and is well suited for paging and music signals and soundmasking signals where use of upward firing speakers is not possible.