Up 4S Two-Way 4" Low Profile Ceiling Speaker 8W @ 100V WhiteUp 4S is a discreet, two way, passive 4 speaker delivering consistent coverage and full frequency sound to a wide range of cost conscious, commercial environments from hotels and concourses to retail outlets, bars and restaurants. Up 4S features a 4 (105mm) low frequency driver paired with a 0. 7 (20mm) silk dome tweeter. It is suitable for both high quality speech and music reproduction. The wide 150 conical coverage of Up 4S makes it particularly