Ceiling Loudspeaker The CIS961 ceiling loudspeaker features a powerful 3-way design that provides exceptional performance, especially in high ceiling, large-space applications. The CIS961 (60-degree by 60-degree dispersion) incorporates four 5.25-inch LF cone woofers, four 4-inch MF cone woofers and a 1-inch-exit HF compression driver mounted on a large horn that […]