1.this is 12" 3-WAY line array speaker 2.2*12"+2*8"+2*2.5"all units are neodymium magnet 3.crystal sound,good penetrating Line array speaker ML-120 is a three-way line array speaker, woofer units is 2x12 ", mid Unit is 2x8", Tweeter is 2x2.5 ".And all speaker units of this line array adopt Neodynium speaker units.The operation frequency range is 70Hz-18KHz,the frequency response is 1.5 kHz-16 kHz ...