The annual event will be taking place on May 11.
The ball is known for its line-up that rivals any full festival, which in the past has seen Babyshambles, The Raputre, The Las, Public Enemy and The Prodigy play to an intimate crowd.
Already announced this year are Ash, CSS, Director, The Blizzards, Justice, Hot Chip (as DJs), Aslan, DataRock and Booka Shade.
But new to the night are the following:
Air Traffic
The Immediate
Alecko
Delorentos
Noise Control
The Pigeon Detectives
Warlords of Pez
A limited amount of tickets, priced €76, are available to Trinity students, graduates and staff.