subwoofer

/suhb-woof-er/US // ˈsʌbˌwʊf ər //UK // (ˈsʌbˌwuːfə) //

低音炮,低音喇叭,低音扬声器,超低音

Definitions

n.名词 noun

1
- : a loudspeaker component designed to reproduce only extremely low bass frequencies, generally below 125 Hz.

With that in mind, some offer an additional subwoofer for more powerful bass.
The subwoofer also did its job, pumping out decidedly more rumble during on-screen explosions and anything else with lots of low-end.
With a subwoofer, you can crank the bass higher without distortion to experience the full power and presence of music, movies, and games that the artists originally intended.
Bookshelf speaker users can instead add a subwoofer to their system.
In more complex multi-speaker set-ups, subwoofers play the sounds at the lowest end of the audio spectrum.