CANDY-X4B General Number of Channels: 4 Frequency Response: 20Hz - 20KHz Max Power: 1600W 2 Ohm RMS Power (14.4V) Per Channel: 4 x 120W 4 Ohm RMS Power (14.4V) Per Channel: 4 x 80W 4 Ohm RMS Power (14.4V) Per Channel: 2 x 240W Speaker Impedance Range: 2 Ohm Input Sensitivity: 0.2V-+6V Low Pass Filter: 40Hz - 250Hz High Pass Filter: 40Hz - 250Hz Fuse Size: 2 x 25A Signal-to-Noise Ratio: 100 dB THD: 0.01% Bass Boost: 0dB -+12dB Product Dimensions: 234.4 x 127 x 47.5mmNEVER STOP INNOVATING ATTITUDE - DS18 stands out from other brands with our progressive designs and unwavering commitment to delivering the most technologically up-to-date products on the market. COMPACT MINI DESIGN - When we say compact we mean it. This powerhouse is only 9'" x 5" x 2". With those dimensions, you can put this just about anywhere!. EXTREMELY POWER EFFICIENT AMPLIFIER - Push an amazing amount of power to your system while only drawing minimal power from your vechicle's battery. WIDE RANGE OF APPLICATIONS - Ranging from 2-8 ohms, this amplifier will allow you to use a variety of speakers for your specific application. Never again will you need to worry about having the right amp for the job. HUGE POWER IN A SMALL PACKAGE - 1,600 Watts gives you all the power you need tucked away and out of sight, keeping your vehicle looking clean and neat.