Aguilar Tone Hammer 500-Watt Bass Amplifier Head<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 500 watts into 4 ohms， 250 watts into 8 ohms </span></li><li><span class="a-list-item"> Fully adjustable， Drive Control featuring Aguilar’s proprietary AGS(adaptive gain shaping) circuit. </span></li><li><span class="a-list-item"> Balanced Output: XLR balanced output with pre/post EQ and ground lift switch </span></li><li><span class="a-list-item"> One 1/4 Inch input jack， compatible with all active and passive basses </span></li><li><span class="a-list-item"> Two Neutrik Speakon speaker outputs; Tuner out </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41q%2BUuh3GGL.jpg" noproxy>