Headphone amp Dac

[Tom77]

Will my Experia m2 work with a Dac headphone amp connected via the USB port

[MarlonUk1]

not sure but qualcomm chipsets tend to have an inbuilt DAC chips /http://www.oshup.com/sony-xperia-m2-dual-a-loaded-entertainment-hub-at-your-fingertips/