Speaker demagnetization you know? ? Inhomogeneous magnetic speaker, you know? Horn magnetic insufficient, you know? Coaxial neodymium never happen these deadly phenomenon. Why KTV rooms of system very well. Speaker has: 1 singing find their own voice 2 Voice is not clean, and some instrument sounds louder still missing 3 more strident nor Naiting 4 no reason to burn speakers. 5 horn a few months into the fatigue of the. China's first coaxial neodymium speakers for you to make up for all the deficiencies