Big Bang's GD&TOP were chosen to be the image models for the LG Optimus 2X, and recently released a video introducing themselves from the set of their MV for "Knock Out." Fans caught a brief glimpse of the upcoming music video through the clip, in addition to a smooth endorsement of the product by the charismatic duo. Check out the video here: "Hello, this is Big Bang's GD&TOP and we've come to greet you with a new album. The world's first dual-core smartphone 2X was launched at the same time as our album.� As you all know, T.O.P and G-Dragon have come together for a unit promotion.� Today, we're at the set of the 'Knock Out' music video.� Viewers will be able to see the completion of this music video at the Optimus website.� Please look for the powerful Optimus 2X, that is as strong as our performances." Tip: Ammybabe