The Electro-Voice PA4150L is from the PA series of professional commercial audio amplifiers. The superior audio performance of the PA4150L fulfills the requirements of many demanding, long-term applications such as sound reinforcement, paging or life safety installations. The PA1250T features many of the same comprehensive protection circuits typical of EV amplifiers. Complete protection is provided for high temperature, audio limiters, power-up delay, and peak current limiters.