JL Audio MHD600/4 600W RMS 4-Channel Marine HD-Series Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Rated Power (4 Channel Mode): 150 W RMS x 4 @ 1.5 ohm-4 ohm (11V-14.5V)</li><li>Rated Power (Bridged to 2 Channel): 300 W RMS x 2 @ 3 ohm-8 ohm (11V-14.5V)</li><li>THD at Rated Power: &lt;0.03% @ 4 ohm per ch.</li><li>Dimensions (L x W x H): 10.74 in. x 8.29 in. x 1.93 in.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31bIGf%2BKFcL.jpg" noproxy>