2pcs pure tweeter speaker high frequency 12dB cross-over network

12 dB 1 - (only high frequency) with Monitor Audio MER capacitor12 dB 2 - (only high frequency + 2 dB) with US branded B05A BP capacitor12 dB 3 - (high frequency + little mid 0 dB) with Monitor Audio MER capacitor12 dB 4 - (high frequency + little mid + 2 dB) with branded B05A BP capacitor1. It is suitable for in use for all type of car tweeter and home Hi-Fi tweeter.2. Excellent high frequency sound effect.3. Very clean sound. 4. Frequency cross-over 3k~20kHz 12dB/oct5. Application impedance: 4Ω~6.2Ω6. Rated power input: 100W max7. User friendly, easy to install8. Inductor material: Sumitomo oxygen free copper wire9. Air coil: High resistence DCR, preventing player or amplifier from breakdown.10. Coupling capacitor: Taiwan metallizer polyester capacitor, branded high quality B05A BP capacitor.11. Installation instructions: Red and black lead as input; yellow and black as output(tweeter), wire AWG18 μL100T12. Original NKMC OEM PCB13. Made in Malaysia.