Blue whale treble. It's good. The Blue Whale tweeter is made of high-quality materials and exquisite craftsmanship, with high-fidelity sound quality performance, which can restore the true sound of music without noise and distortion. Blue Whale tweeter is designed with high sensitivity, which can generate more volume without increasing power, provide better listening effect and perform better in treble. The Blue Whale tweeter is designed with high efficiency, which can convert electric energy into acoustic energy to the maximum extent within a certain range, so as to output more sounds and save electric energy consumption.