Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Power: The power of the subwoofer motherboard determines the strength and sound quality of its output audio signal. Generally speaking, the higher the power, the louder the subwoofer will be.
•Sound frequency range: The subwoofer motherboard needs to be able to handle low-frequency audio signals. It should have a wide audio range to produce deep bass.
•Inputs: Subwoofer motherboards often require multiple inputs, such as linear inputs, RCA connectors, or wireless connections, in order to connect other audio devices (e.g., speakers, TVs, etc.) and receive audio signals.
•Control options: Subwoofer motherboards usually provide some control options, such as volume control, audio adjustment, etc., so that users can adjust the performance of the subwoofer according to their needs.