BMB CSJ-210(SE) 200W 6-Inch 2-Way Compact Karaoke Speakers, Set of 2 Anti-Howling measure for microphone. Very wide sound coverage, get the full sound from anywhere in the room. Emphasis on low-bass sound to exhibit music rhythm clearly to performer. Vocals Can be mixed to music smoothly and can handle live audio from microphones better than traditional speakers. Wide response frequency range.