A subwoofer unit is a speaker unit designed specifically for deep bass.Its frequency response range is typically between 20 Hz and 200 Hz, and it can produce very low audio output.

The bass section of a speaker unit refers to the low-frequency part of the sound, typically produced by large diaphragms and larger sound drivers.

Treble refers to the upper frequency range of an audio signal, typically referring to frequencies of 2000 Hz or higher.Treble in a speaker unit is produced by the treble driver or tweeter. These drivers typically use lightweight materials such as silk or ...

The mid-range plays a critical role in the audio frequency range, serving as the foundation of music and the body of sound.