12 "and 15" are professional speakers with high power and high bass effect. They are suitable for speaking or singing in large-scale occasions such as outdoor performances, and the bass is hard. The best choice for singing at home is 12 inch professional speaker+pure post amplifier+effector+wireless microphone.

10 inch will do.

This family doesn't sing all day. You should not only enjoy music but also watch movies, so you need a speaker with good bass and good sound quality.

For family singing, you can buy an amplifier with KTV function (800- 1000 yuan), and then buy two floor speakers (1000 yuan or so) to sing, enjoy music and watch movies. For good sound quality, I also need to buy two more expensive microphones.

What is the best stereo for singing? Where is Chengdu Dujiangyan audio market? Where are the suppliers in the audio market?

The size of the speaker for singing depends on the size of the venue. Generally, it is 8~ 10_ for home use, and it can be used with undistorted power above 80W. If the venue is large, it should be above 12_.

Wanshou Dew 8 Series Speaker 15 inch or 18 inch?

If the full-range speaker is divided by 2 (treble+bass), 15 inch is better than 18 inch, and if it is divided by 3 (high+medium+bass), 18 inch is better, because the frequency response of different calibers is different. For heavy bass, 18 inch is better.