... .(6) dynamic residual great combination(7) Light body.(8) sky-high HRTFS/volume ratio(9) Applications: Arenas/stage, Medium or ... great combination, and greatly reduce the body weight, provide sky-high HRTFS/volume ratio.LA –8M, the low frequency part ... far projection, and optimizing the intermediate frequency directivity.The high frequency part is using 75 mm magnetic neodymium compression unit ...