Massive Audio EX44 - Car Audio 800 Watt， 200w x 4 RMS， Nano Edge Series， 4 Channel Car Amplifier， Bass Boost<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4 Channel， Full Range， 200 Watts x 4 @ 2 Ohm RMS / 800 Watts MAX， Freq. Response: 10Hz~25kHz， Class A/B</li><li>Built-In OEM Line Converter， Next Gen Advanced 5 Way Protection</li><li>Built-in Auto Sensing Turn-on via Hi-Input， 12v Remote Output for External Devices</li><li>0~12dB Variable Bass Boost， X10 switch can be programmed as a high pass or a low pass at 3K Hz adjustable Up or Down or even Band Passed</li><li>High Power in Extremely Small Heat Sink， Mil Spec Double Sided PCB with SMD Parts， Built-in Noise Reduction Circuitry</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41BxIP3aNCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51rOo90IDkL.jpg" noproxy>