QUAD BALANCED-ARMATURE DRIVERS AND TWO DYNAMIC DRIVERS WITH FOURWAY CROSSOVER: The BGVP DMG features four proprietary balanced-armature drivers and two dynamic drivers with a 4-way passive crossover and is the newest and popular IEM and generates a balanced sound with reduced distortion and strong, articulated bass,designed for performing musicians and Headphones enthusiast. ERGONOMIC DESIGN : for incredibly comfortable wearing and superior noise isolation experience. Three different styles sound impression available by change the nozzles, Black Nozzle for Balanced sound, Gold Nozzle for Strong Bass like Pop DJ, Silver Nozzle for detailed treble like Vocals. 5N OCC SILVER PLATED MIXED MMCX AUDIO CABLE: Can effectively reduce distortion and transmission loss in the signal, only to restore the true sound. TECHNICAL SPECS: DMG IEMs features four balanced-armature drivers and two dynanic drivers and a 4-way passive crossover, with 110 dB @ 1mW sensitivity, 15Hz - 45kHz frequency response, and an impedance of 18 ohms @ 1kHz, Detachable 1.2 m (3.9') cable, with MMCX connectors at the headphones, offers exceptional durability and optimized audio performance.