2 Ch 4000 Watts Bridgeable Mosfet Amplifier Series: Super Power Type: Pyle Super Power PLA2678 Car Amplifier - 4000 W PMPO - 2 Channel Amplifier Class: Class AB Bridged Power: 4 Ohms: 1x4000W SNR: >90dB Crossover Frequency Range: 20 Hz-50kHz Load Impedance Capability: 2 Ohm Dimensions: 2.2 X 10.24 X 16.14