Fostex HP-A3 32-Bit Digital to Analog Converter/Headphone Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 32bit D/A converter with USB bus power </span></li><li><span class="a-list-item"> Works with up to 24bit/96kHz audio source </span></li><li><span class="a-list-item"> High quality analog headphone amp to drive any type of headphones </span></li><li><span class="a-list-item"> USB/digital (optical) input selector; headphones/RCA (analog) output selector </span></li><li><span class="a-list-item"> Doubles as D/D converter from USB digital audio to optical </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41T8L5FkT3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BXKNm9TmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ev09uEuSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IbTXeGtGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411HzwXy6DL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/417pjlAQAHL.jpg" noproxy>