INFINITE are known for their perfect live vocals. From the beginning of their career, even as rookies, they have always performed live on music shows, despite their intense choreographies. This is something the members and the fans have prided themselves on, with acknowledgment from the wider audience.

1. Any MR removed video of INFINITE's performance is proof of their stable live vocals. Every member sings live, while dancing vigorously. The videos of INFINITE members' performances with the backing vocal removed has led to netizens nicknaming them as 'idols who eat CDs,' one of the first groups to be labeled that, even though the term is now in more popular use.

2. Idols performing on Yoo Huiyeol's sketchbook perform live with a backing band. These idols who have been singing stably from day 1, excel at this!

3. Technical errors are something that are unavoidable during performances. But even if the music cuts off, it doesn't stop INFINITE from continuing to perform; their voices don't need accompaniment.

4. INFINITE is well-known for using a live band at all their concerts! Live vocals don't get better than this. 

5. Another instance of when their live vocals shine bright, complete with their adlibs, is on encore stages!

6. When they had the fans in awe with an acoustic live of their album preview

7. Bonus: Because they were airing a pre-recorded version of their performance at the MBC Music Festival, they were not allowed to sing live, even though the members requested the PD to let them sing live. The members made it obvious on the stage, though, that lip-syncing is not one of their strong points!