2 is the second compilation album from producer 9th Wonder, formerly of Little Brother.

It was released on October 9, 2007 through Sixhole Records.

The album has guest appearances by his former group, Little Brother, his fellow Justus League members, Sean Price, Big Dho, L.E.G.A.C.Y., Chaundon, Skyzoo, Keisha Shontelle, Big Treal, The A.L.L.I.E.S., Jozeemo, Tyler Woods, Joe Scudda, Buckshot, Sean Boog, D.O.X., O-Dash, Buddy Klein & Median, also outside performers (including some who 9th worked with) including Torae, Mos Def, Memphis Bleek, Jean Grae, Royce Da 5'9, Vandalyzm, Naledge (½ of Kidz in the Hall), Saigon, Camp Lo, Ness (of Da Band), Strange Fruit Project & Natural Born Spittas.

The album also marks the debut of then-unknown MC, Rapsody.

Credits are adapted from album's liner notes.