TRAUMA CAR AUDIO TCS-100.4ab BLUETOOTHTrauma's high fidelity class ab 4 channel amplifier puts out 100 Watts RMS per channel at 4 ohms and 180 Watts RMS per Channel at 2 ohms at 14. 4V. Each channel has independent gain and crossovers. It is built with the highest quality components in the industry to give you the power, SQ and reliability you expect with your purchase. For inquiries about marine grade please email us at sales@traumacaraudio. com FEATURES AND SPECS: AMP MEDICS DESIGN