1. Filter: 1 high, 1 low 2. Impedance: 4-8 ohm 3. Power: 450W 4. Frequency point: 2850Hz/2900Hz 5. Non-soldering terminals, more convenient, faster 6. Adjustable treble, users can choose the satisfactory sound quality according to their own sense of hearing 7. 1.2mm wire diameter bass inductor, the sound quality is clearer 8. Antique coupling film capacitors, strong stability, low loss 9. Size: 145 x 90 x 40mm 10. Weight: 246.5g