THUNDER Series amplifiers from MTX Audio are feature rich and price point driven allowing you to sell your customers an amplifier that will exceed their expectations while still leaving room in their budget for subwoofers, speakers, wiring and installation. The THUNDER series utilizes a small chassis design that enables them to be installed in almost any location. Surface mount technology maximizes PCB space reducing distortion while resisting damage from vibrations. Each model features an extruded aluminum heat sink that maximizes thermal efficiency. Key Features Small Footprint Extruded Aluminum Heat Sink Surface Mount PCB Design Variable Crossovers