Watch The Equalizer 2 (2018) Hdrip Ac3 -

It is widely available on Blu-ray and 4K UHD disc for the best possible audio and video quality (far superior to an "HDRip").

This refers to the audio codec used, typically providing Dolby Digital surround sound. Plot Summary Watch THE EQUALIZER 2 (2018) HDRip AC3

If you see a file labeled it describes the technical quality of a pirated or unofficial rip: It is widely available on Blu-ray and 4K