The PFA200 is a small digital amplifier that packs a huge punch. It outputs 30 W over each channel for a total of 60 W maximum. The class T amplifier design is the latest in amp technology, utilizing digital signal processing for the highest quality signal. It works via a 12 V AC/DC adaptor. Input your audio via the 3.5mm iPod/aux-in jack or use the microphone input jack. Short, overload, and overheat protection keep your equipment secure and working hard.