The Pioneer GM-D1004 is a compact yet powerful 4 channel car amplifier designed to enhance your car’s audio performance without taking up space. With its Class-D technology, it delivers clean, efficient power and outstanding sound clarity. https://caraudiodiscount.com/products/pioneer-gm-d1004-400w-4-channel-easy-install-amplifier-with-tvc-concept-and-input-sensor