Behringer Microamp Ha400 Ultra-Compact 4-Channel Stereo Headphone Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4-channel stereo headphone amplifier for use with all types of headphones </span></li><li><span class="a-list-item"> Four high-power stereo amplifiers </span></li><li><span class="a-list-item"> Highest sonic quality even at maximum volume </span></li><li><span class="a-list-item"> Output level control for each channel </span></li><li><span class="a-list-item"> DC 12-Volt adapter included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51nwD3v6KZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41PjqzYMVJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415-JIAFKmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ar158N59L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UsWPP5YsL.jpg" noproxy>