BBE 382i Sonic Maximizer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> +20dB of output headroom </span></li><li><span class="a-list-item"> Unbalanced 1/4"/RCA I/O </span></li><li><span class="a-list-item"> 108dB signal-to-noise ratio </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31T1as86CtL.jpg" noproxy>