REAudio SA90.4 800W 4-Channel SA Series Full Digital Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>SA Series 4-Channel Full Class Car Amplifier</li><li>RMS Power Rating: 4 ohms: 63 watts x 4 chan. / 2 ohms: 85 watts x 4 chan. / Bridged， 4 ohms: 151 watts x 2 chan.</li><li>Max power output: 800 watts</li><li>4 or 2 channel operation</li><li>Speaker-level (high-level) inputs with signal sensing for automatic turn-on</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51YhhByKBaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41y8wGudbjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MBhzSrjJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51yNk2dWhyL.jpg" noproxy>