Using 12V DC, subwoofer is a common name or abbreviation for everyone. Strictly speaking, it should be: subwoofer. Heavy bass is actually a term for bass music in electronic music. This word was innovatively developed for the first time, and the word "subwoofer" with local characteristics was pioneered by Mailan (now Maibo).

In terms of audio analysis that can be heard by the human ear, it is composed of heavy bass, low bass, low midrange, midrange, midrange high, high treble, super high treble, etc., which has the effect of strengthening the syllable rhythm.

The power supplies used to modify car audio to home audio are as follows:

1. Generally, the audio and subwoofers in cars use 12V DC;

2. If it is used for home use, the power amplifier and subwoofer do not need to be modified. You only need to find a 12V DC power supply with a larger power;

3. It is best to be above 150W (you can make one yourself, Prepare a 150-watt 220V single 12V transformer, a rectifier bridge stack, an electrolytic capacitor of about 10,000uf, and a 0.1uf BBC capacitor to form a DC 12V power supply).

(Photo/Text/Photo: Huang Yuejin) @2019