After revealing two teaser photos of completely different concepts, the girls of 4minute have just unveiled their 1st teaser video for 'Volume Up'!

'Volume Up' will contain a total of eight tracks, which is a high number for a mini album. The girls will be trying out new genres and musical styles they have not yet tried before through songs composed by hit maker�Shinsadong Tiger, as well as other top composers.

Although their comeback isn't until next week, the group has launched a teaser site on their official homepage (www.4min.co.kr) to hype up excitement for 'Volume Up'.

Stay tuned to�allkpop for the official album release on April 9th.

Meanwhile, check out the teaser video below!