Friedman Amplification Sir-Compre Compressor with Gain Guitar Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Optical Compressor Pedal. </span></li><li><span class="a-list-item"> Volume， Treble， Compression and Tight. </span></li><li><span class="a-list-item"> Wide Range Gain Knob. </span></li><li><span class="a-list-item"> True Bypass Switching. </span></li><li><span class="a-list-item"> Powered by 18VDC (no battery) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gXvl1nBRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HtjvCHxiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51UapeknRLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41R%2B9LGHtRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41M29fSOMKL.jpg" noproxy>