Traditional Culture Encyclopedia - Hotel reservation - How to turn on the stereo in Wan 'ai Couple Hotel?

How to turn on the stereo in Wan 'ai Couple Hotel?

Ask the waiter to drive.

Hotel service personnel can turn on the hotel stereo. Audio refers to a set of audio system composed of electrical equipment. The development history of acoustic technology can be divided into four stages: electron tube, transistor, integrated circuit and field effect tube. Because of the high cost, it is not good to study it yourself, and it is not good to have a fault.