Subwoofers are a type of speaker that boost the lowest frequencies in whatever audio you're listening to. These low frequencies usually include bass guitars, pipe organs, deep voices, kick drums, and ...

Factory head units often limit sound quality because they provide weak signals to the speakers and amplifiers. Upgrading to a unit with stronger output voltage and better signal processing can ...

If you’re looking to upgrade the audio quality in your car or fix a broken part of your sound system, the good news is that you can sometimes do it for as little as $25. But what stereo components are ...