" Also adding in an Akai Deep Impact synth pedal for the hit single Time Is Running Out and a Digitech Synth Wah alongside more effects.
For the latest album, Black Holes and Revelations, Wolstenholme has changed his rig nearly completely. Now favouring Rickenbacker 4003 basses and Fender Jazz Basses for new and old songs alike, he also uses a pick on a few new songs, including Assassin, the beginning of Map of the Problematique, the beginning of Invincible, and the beginning and middle of Knights of Cydonia, according to Muse's August 26, 2006, performance at the Reading Festival. He also plays an upright bass in Soldier's Poem. The Electro Harmonix Big Muff is used more often in this album, nearly in every track, and his vocals are sometimes sung through a vocoder, most noticeably in Supermassive Black Hole."