Description: Super armature + dynamic unit sound advantage complementary ,give more details of music show. Super high moving iron unit with moving coil unit can't reach the treble performance ability. The four voice coil to bring a stronger driving force ,low frequency shock powerful.so that the overall sense of hearing more infectious. Solid ergonomic wear experience,independent patent design of sillicon earmuffs,compared with conventional earmuffs can more comfortable fit human ear. Presice internal acoustic structure design,as well as the fine tuning of the circuit can be the two pronunciation units each fine division of labor,is responsible for the interpratation of the moving iron treble part,is responsible for the interpretation of the bass coil. Professional equipment,It is easy to capture the Bass and other low-level easy to enjoy the rock music . Specification: Frequency Response Range: 20-20000Hz Connectors: AUX KZ Model: ZST Wireless Type: None Sensitivity: 106 ±3dB Line Length: 1.2m Plug Type: L Bending Sensitivity: 106dB Driver Type: dynamic Color:Black Package Includes: 1 piece KZ ZS3 headphone 1 pairs earbuds