FiiO AM2 Amplifier for X7 Portable High-Resolution Audio Player<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> MUSES02 operational amplifier for voltage amplification </span></li><li><span class="a-list-item"> BUF634 buffer stage </span></li><li><span class="a-list-item"> Ultra-high current drive (250mA) and ultra-low noise and distortion </span></li><li><span class="a-list-item"> Separate positive and negative pole power supplies </span></li><li><span class="a-list-item"> Power Output: &gt;350mW (16Ohm @1kHz) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31el8YjDOFL.jpg" noproxy>