1. second order treble second order to achieve phase compensation 2. 2-way frequency point is about 3200Hz, 12db/oct clean sound 3. MKP audio dedicated capacitor 4. Good combination of high-power resistors 5. Large diameter inductance meets high current Product Description: Model: 2504 Filter: 1 high 1 low Power: 350W Frequency: 3200Hz Impedance: 4-8 Applicable: high and low two-way speaker D|Y refit and upgrade Applicable to: 4-8 ohm speakers/power below 350W inductance + polymer magnet to enhance the sinking of the , reasonable circuit + high-quality components + high cost performance = correct sound size: 137 x 90mm Material: plastic colour: As shown Package Contents: 1 x frequency divider Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.