HQ is about 10m. SQ is about 30m.

In terms of sound quality, you can’t tell the difference without using headphones worth more than 1,000 yuan.

Personally, I think SQ is for audiophiles.

The abbreviation of HighQuality (high-quality version). MP3 is compressed from CD. The higher the compression bit rate, the smaller the sound quality loss. The lower the compression bit rate, the greater the sound quality loss. The current mainstream standard bit rate is 128kbps. 192kbps and 320kbps higher than 128kbps are called high-quality music, and 320kbps MP3 is close to CD sound quality.

SQ Music is SuperQuality music first promoted by Tencent QQ Company. SQ for short, uses APE and FLAC lossless formats to preserve 100% of all sound details, allowing you to experience the original CD sound quality. Green Diamond users have exclusive SQ music download privileges. Extension materials?

To talk about the sound quality of a certain speaker, it mainly measures whether the above three aspects of the sound have reached a certain level, that is, whether the pitch has a certain intensity relative to a certain frequency or frequency band, and Within the required frequency range and at the same volume, the sound has moderate overtones and rich harmonics, and the sound is beautiful and pleasant. The sound quality value is determined by the actual bitrate.