VOLFENHAG ZX5165 2-Channel 2000W Car Amp Volfenhag 2000 Watt 2 Channel Amp- Built-In Crossover- Sensitivity Input Control - Remote Bass Control- Variable Low Pass Filter 45hz - 300hz- Variable High Pass Filter 45hz- 300hz Variable Bass Boost Control- High and Low Impedance Input- Overheat and Short Circuit Protection- Power and Diagnostic Led Indicator