Surface Mount Loudspeaker The two-way SMS4990 (4 x 4-inch LF, 1 x 1.3-inch HF, 90-degree by 90-degree coverage pattern) SMS4990 advances the state-of-the-art for small loudspeaker technology in providing high quality sound and controlled directivity. The design incorporates several innovative technologies developed by EAW for much larger professional loudspeakers. […]