9. What is the difference between FW3 and FW5?

The FW3 earphone uses a 10mm carbon-based dome diaphragm dynamic coil, while the FW5 earphone uses a DLC diaphragm dynamic coil and two moving irons;

Different from FW5's high-fidelity, high-resolution tuning style, FW3's sound direction is neutral and warmer, taking into account the quality foundation of HiFi, and it is more listenable. FW5 is stronger in analysis and details.