
Mazda 2 Quickest Subwoofer Installation Ever
Running wire, head unit adapters, fuses, and less trunk space all suck. Let’s not do that. Modular setups seem more promising. A few months ago, I assembled a $6 tube subwoofer that could be used in a house or in a car. I only recently set up my car for this sub. It took an hour. No new head unit required. There’s only one real compromise to this, only the audio coming from the auxiliary port is sent to the sub. That’s how I listen to music 95% of the time, so no subwoofer with the CD player or radio is fine for me. I tapped into the auxiliary output right next to the cigarette lighter, so I ran power from there. The cigarette lighter is only on when the car is on, so I don’t have to worry about draining the battery when the car is off. There are no power supply issues, as the cigarette lighter supplies 20A, while the sub only draws 4A max. ...

