Alpine MRV-M500 Mono V-Power Digital Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Per channel into 4 Ohms: 300W RMS x 1 (14.4V at &lt;1% THD+N)</li><li>Per channel into 2 Ohms: 500W RMS x 1 (14.4V at &lt;1% THD+N)</li><li>Crossover frequency (LPF): 50 - 400 Hz， -24dB/oct.</li><li>EQ (Equalizer): 0 to +12dB， fc=50Hz</li><li>Power requirements: 14.4 V.DC (11-16V allowable)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Cl6y7%2BXyL.jpg" noproxy>