Aroma ABR-1 Aluminum Alloy Housing Low Noise Booster Guitar Effect Pedal Built-in operation amplifier with Ture Bypass<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Built-in operation amplifier with low noise， natural and clear sound. </span></li><li><span class="a-list-item"> True bypass design， minimizes tone loss and get more control of your pedal. </span></li><li><span class="a-list-item"> 3 adjustable knobs: level， low and high. </span></li><li><span class="a-list-item"> Aluminum alloy housing， good durability. </span></li><li><span class="a-list-item"> Durable jacks and foot switch. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fbpNNNDLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RzobfKNVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OCEGazxQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wrEQdIGvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416bG39LkwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZRyrM%2BvFL.jpg" noproxy>