What is the output power of Junnuo car-mounted subwoofer, in terms of the output power of household appliances?
This power is about 30W, and the external power supply needs DC voltage stabilization of 12V3A. Loudspeaker 8Ou4-10w.
Buy an external power transformer, which can meet the requirements of 12V3A DC regulated power supply, switch type or transformer type. Label each outlet of a specific link.