TechAudio 6 1/2 " loudspeaker is a high quality performance and wide frequency response. The speaker consists of 6 1/2 " diameter dual cone type. The wide range of frequency which produces a sound quality with low distortion. The frequency response of this speaker is in the range from 100hz to 18kHz resulting in a wide uniform coverage of 120 degrees thereby producing an excellent sound reproduction for vocal and music with wide coverage area.