Eden USM-EC28-U Bass Combo Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4 Stage EQ Bass， Mid， Mid sweep and Treble， Compressor with level control. </span></li><li><span class="a-list-item"> 3.5mm jack socket (MP3) </span></li><li><span class="a-list-item"> Balanced XLR output </span></li><li><span class="a-list-item"> headphone jack socket </span></li><li><span class="a-list-item"> External speaker output </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/518xBu8rhBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61WLfCAdQ7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jkiTJ2YRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41J3-kQeeZL.jpg" noproxy>