ART EQ355 Dual Channel 31-Band Equalizer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Constant Q circuitry 20mm center detent sliders Selectable boost/cut range of 6dB or 12dB Balanced XLR and 1/4" Unbalanced RCA input and output connections Adjustable high-pass and low-pass filters Variable input level controls Signal clip level indicators Ground lift switch Internal power supply Selectable line voltage switch Rugged， all-steel chassis 2U rackspace required </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Zo0KVpqWL.jpg" noproxy>