THREE DRIVERS- F9 SE has two balanced armatures and a separate dynamic driver. The 9.2mm dynamic driver is specifically tuned to produce bottomless lows while the two BA drivers precisely portray extended upper-mids and highs.
Intelligent Control - Hi-Resolution Audio Certified for frequency response up to 40kHz,which can fully reproduce the audio and give you a natural and life-like listening experience.
PEK polymer nanocomposite driver for heightened detail- The F9 SE utilizes a dynamic driver made of PEK (polyether ketone) polymer nanocomposite, known for not only being tough but also being light.
3.5mm single-ended Cable- Four carefully-woven, 5N purity oxygen-free copper (OFC) wires, all wrapped up in a stylish and soft exterior.
- 6 pairs of silicone ear tips
- 3 pairs of black ear tips
- 3 pairs of mixed-color ear tips
- Waterproof case to store your earphones in.
1 dynamic and 2 balanced armature drivers
15Hz ~ 40kHz