Specifications: 1) 4 channel power amplifier 2) Max. Power: 1, 200W, PMPO 3) Rated power: A) 75W x 4, TND+N<0.07%, 1khz B) 200W x 2, TND+N<0.5%, 1khz 4) S/N ratio: >92dB 5) Frequency: 20Hz-25Hz 1dB Car audio amplifier kit WLC-PA754 from WLC is a kit that enables you to build an affordable high power audio amplifier for your vehicle. Thanks to its universal connections, this car audio power amplifier may be connected to any equipment. For trucks, the car audio power amplifier can be adapted to be supplied from a 12V source. Kit comes with heatsink and housing included. Car audio power amplifier WLC-PA754 is an electronic kit, and is rated by WLC as a "skill level 5" (advanced) on a scale from 1 to 5. User assembly of electronic kit is required.