1. Power: 250W 2. Crossover point: 2500Hz-3000Hz adjustable 3. Impedance: 4-8 ohms 4. Bass line can be adjusted through the capacitor limitation of the subwoofer 5. 2 capacitors in parallel in the treble section and adjustable through the switch for loud and soft sounds 6. Hi-Low Bass dual circuit, frequency adjustable dual switch design, applicable to a variety of speakers 7. Inductors with ties and audio special high temperature glue fixed to prevent music resonance 8. Welding-free terminals, eliminating the traditional crossover soldering iron wiring complicated steps, installation is more convenient 9. Size: 112 x 62 x 26mm 10. Weight: 146g