How much power is used for outdoor speakers?

　　Audio (Audio electronics) in a broad sense refers to a device that uses electronic circuit design to convert audio and electronic signals, but in general speaking, audio usually refers to a set of equipment that can restore and play audio signals. Audio equipment probably includes power amplifiers, peripheral equipment (including compressors, effects, equalizers, VCDs, DVDs, etc.), speakers (speakers, speakers), mixers, etc. The development history of audio technology can be divided into four stages: electron tubes, transistors, integrated circuits, and field effect tubes. To be precise, it is an integrated audio set machine launched by the manufacturer, which has as complete a function as possible, is easy to use, and has a gorgeous appearance. All the components of the combined audio, such as speakers, power amplifiers, decks, and CD holders, are provided by one manufacturer. It takes a lot of time to debug. Generally speaking, it can be used directly, which is more convenient in operation and more complete in functionality. Many people think that the quality of the combined sound is not high, but in fact, with the development of electronic technology, the performance of the combined sound has also been greatly improved, so for most users, it can fully meet the needs. Of course, there is also a huge gap in the price, quality and performance of the combined audio system. There are products with a thousand yuan level and tens of thousands of dollars. Which one is needed can be completely selected according to the user's own economic strength and needs.

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