Bose, Sonos, HarmanKardon, JBL and Sennheiser brands have better sound quality.

1. Bose：Bose is an American audio company, which is famous for its high-quality sound quality and advanced technology. Bose's stereo has excellent resolution and clear sound, especially suitable for listening to classical music and jazz. In addition, Bose has also introduced some advanced audio products, such as wireless smart speakers and noise-reducing headphones.

2. Sonos：Sonos is a company focusing on intelligent audio, and its audio products have excellent sound quality and intelligent characteristics. Sonos audio can be controlled by mobile phone or tablet computer, which supports multi-room linkage playback, so that users can enjoy the same music experience in different rooms.

3. Harman Kardon: Harman Kardon is an American high-end audio brand, and its audio products are famous for their exquisite craftsmanship and excellent sound quality. HarmanKardon's stereo adopts high-end audio technology, with excellent low-frequency effect and high-fidelity sound quality, which is suitable for all kinds of music and movies.

4. JBL：JBL is an American audio brand, and its audio products are famous for their excellent low-frequency effect and strong volume. JBL's stereo adopts its patented bass amplifier technology, which has excellent low-frequency performance and strong dynamic effect, and is suitable for listening to rock, electronic music and other types of music.

5. Sennheiser：Sennheiser is an audio brand from Germany, and its audio products are famous for their high fidelity and exquisite craftsmanship. Sennheiser's stereo adopts high-end technology and high-quality materials, with excellent sound quality and comfortable wearing feeling, suitable for listening to high-quality music such as classical music and jazz.

refer to Baidu Encyclopedia -Bose Baidu Encyclopedia -Sonos for the above contents.