2. audio high- gold aluminum shell resistors, non- electrolytic capacitors and oxygen-free copper inductors adopt an integrated junction box design to low loss | 4. 50W metal aluminum resistor, high , strong overload capacity, with heat dissipation groove, not easy to burn out | 1. Strong stability, good quality, anti-saturation, inductance , low internal , the amplifier flowing loudspeaker current is sufficient, the low frequency fluctuation effect is obvious, and the sound is delicate and | 3. Protector, built-in treble protection module, high instantly protects the treble and prevents burnout | 5. 1500W High Speaker Crossover 2 Way High-Low 8 Ohm Frequency Divider for Speaker, crossover point: 1600/2800Hz