Aerospace alloy sound cavity: it is made of advanced lightweight alloy with only 6 grams on one side, which ensures the hardness of the cavity and provides unique comfort.

Double titanium drive 1BA + 1DD hybrid power: Knowles 33518 balance armature and 10mm polymer composite titanium film dynamic drive, low frequency plump and dynamic, high frequency transparent natural, delicate and elegant sound

High-purity OFC silver-plated cable: 2-pin 0.78mm detachable design. 4 strands of 8-purity high-purity oxygen-free copper plated high-purity OFC silver-plated cable with high frequency extension and low frequency strength

Specifications:

• sensitivity 106 decibels
• frequency range 20-40kHZ
• impedance 18 ohms
• cable length 1.2 m
• 5.7mm nozzle