COMPACT 4-CHANNEL 700W RMS - Power your entire speaker system front and rear from one tiny amplifier that fits anywhere in your vehicle ^^ BRIDGEABLE CHANNELS - Bridge any two channels for more power to a specific speaker or subwoofer; maximum system flexibility ^^ VARIABLE CROSSOVER FILTERS - Adjustable high pass and low pass crossover filters give you precise control over each channel ^^ HIGH AND LOW LEVEL INPUTS - Works with factory head units and aftermarket sources; plug and play with virtually any car stereo ^^ MINI MAXX COMPACT DESIGN - Small enough to hide under a seat or in a tight trunk space; big enough to power a full speaker system