The bright 6.5 Inch series gentleman treasure 8741 frequency points can not be too high, and the 6640 frequency points low distortion increases, so choose 8741 large size beryllium 7140 collocation, collocation of super thick box specially designed. Low frequency dynamic large, full of sound, high frequency resolution is very high, it is in the medium space to listen to the voice of music based on the type of music, the power amplifier is recommended to control the power of a good driver of the transistor.
