Hello Gevorg, you are going to unquestionably see an improvement in efficiency by using a high quality set of headphones such as Sennheiser High definition 598s. Your cell phone has adequate amplification electrical power to push All those since They may be created to be pretty economical. You ought to http://amp-and-dac61605.educationalimpactblog.com/26478168/rumored-buzz-on-amp-and-dac