jbl scl 5JBL Synthesis SCL 5 In Ceiling Speaker Experience a new standard in built in sound with the JBL SCL 5, the most advanced round model in the JBL Synthesis Custom Loudspeaker series. The speaker is designed to deliver an outstanding audio experience in medium to large rooms, where every nuance of the sound is brought to life with impressive clarity and depth. Whether for a home theater system, a professional conference system, or an exclusive listening