What advice is given about choosing car audio brands? The author provides a list of good, correct, doubtful, and bad brands. The author advises to...

What advice is given about choosing car audio brands?

The author provides a list of good, correct, doubtful, and bad brands.
The author advises to research and ask for opinions, but to be cautious about recommendations.
The author suggests that less is sometimes more and that it is better to buy lower-end products from a reputable brand than higher-end products from a dubious brand.
The author recommends choosing a brand based on its price and sound quality.