開箱：Dayton Audio Omni Mic V. 2

[kevintran]

請問K兄！權 加權？ 未加權？ 是什麼功能？A－weighted

Please see this for A-weighted sound pressure level http://en.wikipedia.org/wiki/A-weighting
Also, there is another standard called C-weighted level. You just need to scroll further down to see the other standards.