JANET JACKSONLOSES AUDIO AT ESSENCE FESTIVALCaps Off Weekend of Issues

Janet Jackson was not impervious to technical difficulties that plagued Essence Festival

losing audio midway through her performance ... but powering through to kill it regardless.

The singer was one of the big headliners at the NOLA concert series this weekend at

Caesars Superdome ... where TONS of huge stars performed in an event comparable to Coachella.

What was also comparable ... audio issues often experienced in a live show.

No exception for Janet, unfortunately, because during her set ... her mic seemed to cut out

while she was in the middle of either talking or singing, seen here in video obtained by TMZ.

The good news is that this little hiccup appeared to go mostly unnoticed, and the rest of

Janet's time on stage was a smash hit ... as she rifled through hit after hit after hit for