Source Audio SA170 Programmable EQ<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Four independent programmable user presets easily recalled via the Footswitch. </span></li><li><span class="a-list-item"> +/- 18dB range over seven U17frequency bands.S24 </span></li><li><span class="a-list-item"> Auto-scrolling function: automatically scrolls through all four presets to create unique and dramatic effects similar to sequencer or tremolo units. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uv5pmaXUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41hPYrrUJbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2BU5ZwmqxL.jpg" noproxy>