KZ D-Fi Wired Headset HIFI IEM in-Ear 4-Level Tuning Switch Earphone Dynamic Monitor Earbuds Stage Live Audiophiles Headphone

KZ D-Fi Earphones Feature: 1. Dual Magnetic Circuit Dual Cavity Dynamic Unit: The D-Fi is equipped with a customized dual magnetic circuit dual cavity dynamic coil unit, which has better energy efficiency and stronger transient performance compared to ordinary magnetic circuits. It also features low impedance and high sensitivity, making it easier to drive. 2. Standard/Tuning Version Optional: D-Fi has designed a standard version and tuning version, and the standard version adopts standard tuning, with accurate and clear tri frequency response, instantly restoring beautiful melody. The tuning version comes with a special tuning dial that allows easy manual tuning. Meet the different needs of more players. 3. Tuning Version with 4 Gears: D-Fi adopts KZ's tuning technology and is equipped with precise 4 gear electronic switches. 1. The 2nd and 3rd gears are low frequency adjustable, and the lower frequency increases with each additional gear. Gear 4 is full frequency adjustment, which ca