Bellari HA540 Pure Class A Stereo Headphone Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Low and High Inputs </span></li><li><span class="a-list-item"> 12AX7 tube output </span></li><li><span class="a-list-item"> Drives headphones from 16-2k Ohms </span></li><li><span class="a-list-item"> Zero feedback Class-A， all tube headphone amplifier </span></li><li><span class="a-list-item"> Extremely detailed， rich， bold sound </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uovdVlW0L.jpg" noproxy>