1. Application: bookshelf speakers 1 high 1 low two-way DIY modification upgrade 2. Power: 250W 3. Filter: 1 high, 1 low 4. Frequency point: 2600-3100Hz 5. Adjustable impedance: 4-8 ohms 6. 41mm high-temperature resistant inductor, and fixed with a tie to prevent music resonance 7. High/bass independent frequency adjustable switch, multi-band frequency adjustable to meet different needs, applicable to more speakers 8. Solder-free terminals, easy to install and use 9. Dimensions: 112 x 62 x 26mm 10. Weight: about 161g