HTC Desire X - 3V

HTC Desire X

    Pick up the phone that sounds every bit as good as it looks. Built-in Beats Audio™ delivers uncompromised, studio-quality sound for your music, videos and gameplay. It’s a powerful all-round performer too, with dual-core power, a brilliant four-inch, crisp display and a class-leading camera that gets great results every time.
Source - http://www.htc.com/in/smartphones/htc-desire-x/