EKC-6SW active subwoofer is specially designed by takstar for 5.1 home theater k sound system. it is equipped with three input interfaces: single, double lotus and high level interfaces, which can be adapted to a variety of audio sources. its sound quality is low frequency and powerful, with strong shock. the amplifier has a large power margin and low frequency dynamics. it has EQ adjustment function to adjust the low frequency volume according to the room size. it has phase adjustment switch to adjust the best listening effect according to the actual environment. it has frequency division frequency adjustment function, which can be adapted to different sizes of full frequency speakers.