The ED9 earphone is not just hype, the bass (gold) and balanced (brass/bronze) nozzles allow users to tune its audio settings by changing different nozzles. A more bass-enhanced experience and Balance for full-spectrum smoothness.

With a Groundbreaking T shaped pole piece driver unit. The new driver unit successfully reduces the negative pressure in the driver, providing pure, clear smooth feel of sound and better extension of vocals.

Featuring a new energetic PEK diaphragm, this KZ ED9 headphone from Knowledge Zenith has clearer vocals and vibrant textured bass. The copper housing improves the tone effect; the quality is clearer and shocking.

Overall the KZ ED9 produces a vibrant sound with the body, in which all frequencies are balanced. Also, the KZ ED9 Knowledge Zenith are comfortable to wear. Its most awesome feature is the two nozzles provided for balanced and bass-enhanced sound signatures!