Unzip the pack and put the folder Angelina(Arknights) Pocket ECM sfx into PAYDAY 2-mods.
As the title said, this MOD will replace the sfx of Pocket ECM with Angelina's (Arknights) voiceline, "Wanna see how it feels to float? "( 想不想试试漂浮在空中的感觉?/ 空を舞う感覚、味わってみない?)