. HiFi Tuning Full-Frequency Presentation Consistent Acoustic Characteristics. Through in-depth analysis of dynamic driver characteristics and multiple precise adjustments to the acoustic cavity, combined with TRN's years of tuning experience and understanding of user preferences and popular trends, meticulous acoustic tuning achieves both the micro-dynamic details of the dynamic driver and a smooth and balanced tri-frequency response. The low frequencies are solid, full, and elastic, vocals are realistic and delicate, and high frequencies are smooth, rich, and detailed, creating excellent sound with an overall pure and natural quality.


