ITEM NAME:Digital Power Audio Amplifier Board TPA3116DA Mono Channel DC 12V 24V 150W FT Features: Chip: TPA3116D2 With preamplifier NE5532 Supply voltage: dc12-26v Output Power: 150W MAX DC 12V 50W DC 20V 100W DC26V 150W Package Include: 1pc x TPA3116DA Mono Channel digital Power audio amplifier board.1pc x TPA3116DA Mono Channel digital Power audio amplifier board. Output Power: 150W MAX. DC26V 150W. DC 12V 50W. DC 20V 100W.