Aluminum-Magnesium Alloy Dome Composite Diaphragm As a dome diaphragm material, Al-Mg alloy exhibits high rigidity and light weight, which was commonly limited to high-end headphone, thereby extending the treble bandwidth and revealing more subtle details. Alloy Casting Cavity The acoustic cavity of the Chu 2 DSP is manufactured using MOONDROP's mature alloy casting technology, ensuring both rigidity and fine texture. A durable paint layer protects the metal shell from corrosion. Acoustic Design +DSP Accurate Tuning Chu 2 DSP is built-in three bass preset tunings, it can be switched through MOONDROP LINK APP, users can freely select the bass performance suits their preferences. Brass CNC Acoustic Nozzle The nozzle of the Chu 2 DSP consists of a separate brass CNC component, offering higher precision, density and excellent stability and resulting in beautiful timbre. Interchangeable Cable Design,Wide Adaptability Chu 2 DSP uses a universal 0.78mm interchangeable cable, allowing users to replace the cable or make use of Bluetooth neckband/TWS ear-hooks for different usage scenarios.