JP series adopts high-grade loudspeaker unit and light imported birch as its speaker box. It has accurate fractional frequency, broad frequency response and good coverage control performance by computer design. The rotary compression mode trumpet can be vertical or balanced installation. Smooth frequency response and accurate fractional frequency ensure audiences to have an excellent acoustic effect. High-grade bars and slow clubs need balanced-smooth and broad range, because exaggerated and thick tones are not good for listening, especially when replay the music, it must provide smooth and powerful bass. KP series design middle-high sound in where it can focus on high range which needs sense of shock and high power by using computer, so it will show the best performance. It is suitable for churches, bars, restaurants, sports venues, distributed systems, video speeches, concert halls and theatres, etc.