Use an equalizer (EQ) or an equalizer. Most music apps and cars with DSP have this function. Different frequency bands can be adjusted according to different music types and preferences to improve the bass, voice, clarity and brightness of music. The specific frequency bands and timbres correspond as follows:
1, 3 1-200 low frequency: mainly, 63 is the bottom drum, and 125 is the bass.
2, 250-2K intermediate frequency: 500-2k is human voice, 4k-5k is musical instrument, and 5k-6k can increase speech clarity.
3.8k- 16k high frequency: 6k-8k enhances the bright timbre, and 10k- 16k is beneficial to enhance the treble and luster.