BBE Acoustimax Acoustic Instrument Preamp Pedal with Full Featured Sonic Maximizer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Built in Sonic Maximizer adds clarity， punch and definition to your Electirc Acoustic guitar or bass. </span></li><li><span class="a-list-item"> Three Band Active EQ with Semi-Parametric Mid Control. </span></li><li><span class="a-list-item"> Tunable Notch Filter for eliminating resonant spikes. </span></li><li><span class="a-list-item"> Built in XLR equipt Direct Box </span></li><li><span class="a-list-item"> Tuner Output </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51NiS-RaUSL.jpg" noproxy>