K-Town

f(x) Snag Second No. 1 on World Albums Chart With '4 Walls'

Courtesy of SM Entertainment

f(x)

f(x) isn't hitting any walls with their comeback album. The girl group earn their second No. 1 on Billboard's World Albums chart as well as their highest rankings yet on Heatseekers Albums and World Digital Songs with 4 Walls.

Last, f(x) can also celebrate their highest position on World Digital Songs where "4 Walls" debuts at No. 2, outcharting their previous peak of No. 3 obtained by "Red Light" and "Electric Shock."