The Autotek ATA amplifiers are designed to get great music power into any vehicle. First choice is a simple decision about system design. Two channels, four channels and mono amplifiers are available to make even a big system, easy to build and affordable to own. 2 x 300 @ 4 Ohms, 2 x 600 @ 2 Ohms, 1 x 1200 WATTS @ 4 Ohms Bridged