12. What's the difference between the FD3 and FD3 Pro?

1. The FD3 has two colors, black and silver. It comes with a 4-stranded 120-core Litz braided high-purity monocrystalline copper cable with a 3.5mm plug.

2. The FD3 Pro currently only comes out in black, which has the same appearance as the black FD3. It comes with an 8-stranded 152-core Litz braided high-purity monocrystalline silver-plated copper cable. Designed with an interchangeable plug, the FD3 Pro can suit almost all music players in the market with its 2.5/3.5/4.4mm plugs. Compared with the FD3, the FD3 Pro has warmer and more soft vocals and is able to capture more details in highs.

3. The shell material of the FD3 and the FD3 Pro are both made of aluminum-magnesium alloy.