Astral Voice is a Drive Disc set in Zenless Zone Zero. Its 2-piece and 4-piece bonuses are below.
2-piece bonus
ATK +10%
4-piece bonus
Whenever any squad member enters the field using a Quick Assist, all squad members gain 1 stack of Astral, up to a maximum of 3 stacks, and lasting 15s. Repeated triggers reset the duration. Each stack of Astral increases the DMG dealt by the character entering the field using a Quick Assist by 8%. Passive effects of the same name do not stack.
Story
Drive Discs made by a Hollow Raider and Astra Yao fan that record a signature motif in Astra's works. Meanwhile, on the back, the Hollow Raider's own story is printed there.