1. Strong Stability, Good Quality, Anti-saturation, Inductance Resistance, Low Internal Resistance, The Power Amplifier Flowing Loudspeaker Current Is Sufficient, The Low Frequency Fluctuation Effect Is Obvious, And The Sound Is Delicate And Rich 2. Professional Audio High-power Gold Aluminum Shell Resistors, Non-polar Electrolytic Capacitors And Oxygen-free Copper Inductors Adopt An Integrated Junction Box Design To Ensure Low Loss 3. Protector, Built-in Treble Protection Module, High Power Instantly Protects The Treble And Prevents Burnout 4. 50w Metal Aluminum Bright Resistor, High Power, Strong Overload Capacity, With Heat Dissipation Groove, Not Easy To Burn Out 5. 1500w High Power Speaker Crossover 2 Way High-low 8 Ohm Frequency Divider For Speaker, Crossover Point: 1600/2800hz Frequency Division Characteristics: Three Frequency Division Filter Characteristics: 12db/oct Applicable Speaker Impedance: 8 Ohm Power: 1500w Colour: Black Material: Metal + Plastic Size: 22 X 13cm Package Contents: 1 X F