Diamond Amplification Assassin 22W Guitar Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Controls: Volume， Tone， Bass， Middle， Treble， Presence， On/Off， Standby </span></li><li><span class="a-list-item"> Single Channel </span></li><li><span class="a-list-item"> Gain Mode Switch </span></li><li><span class="a-list-item"> Tubes: 3 x 12AX7 preamp and 2 x EL84 power </span></li><li><span class="a-list-item"> Hand wired eyelet board construction </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51iaHrlpmCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51-6xxuh9dL.jpg" noproxy>