K series is specially designed for Karaoke room, generally speaking, you should put the speakers 3 M away from the seat, and the height of hanging should be about 2M. 15 degree down angle of the speakers wil project the sound right to the ears. Users can change the height of the speaker according to size of the room and the distance between the seat and speaker, to get the best sound effects. Even if facing kinds of limitation, K series will surely better and more directly than normalspeakers. Besides the special designs mentioned above, K series are all built-in protection circuit, it can reduce the failure of burning.Applying with BOWAY DSP Karaoke amplifier, you can get the best effects.