The power consumption here does not match the labelling on the unit. According to the labelling here (Power Consumption 12.5W), this product should be enough to plug it into a normal socket: https://www.galaxus.ch/en/s4/product/hama-acdc-power-supply-unit-car-stereo-accessories-3456815. But it isn't (1A/12V) is not enough. I tried another 5A/12V source, which is also not enough, which is not surprising as it says 6A/12V on the unit. Consequently, the power consumption according to the unit would be 6A*12V=60W, or mine is broken....