... Use for conference room,background music. Protable Wall Mini Speaker CS Series Feature1. Professional Meetings Speaker, high degree of reduction human ... human voice-oriented sound reinforcement situations. Technical Parameters Model CS-6 CS-8 CS-10 Crossover Frequency 3KHz 2.8KHz 2.6KHz System ... (KG) 12 15 20 Pictures in Details 1. CS-6 2. CS-8 3. CS-10 Speaker, Loudspeaker, Pro Audio, Audio System, ...