The PLA4150 model features a total 1000 watt bridged output with 250 watts pushed from each channel; with 4 channels total. It also includes a variable Hi/Lo electronic crossover, variable bass boost, and a variable input level (gain) control. The PLA4150 device has a power ON LED indicator as well as an LED protection indicator in order to help provide easy setup and maintenance options. Additional features include a Hi/Lo impedance output, tri-mode configuration, a fully illuminated top panel, thermal and overload short circuit protection, anti-thump turn on and a 2 ohm stereo table. The PLA4150 amp comes packaged with a MOSFET PWM power supply and a 1 year manufacturer's warranty.