Amplifiers Related Presentations

Loudspeaker according to its size, use and use can be divided into several types, each has its advantages. Portable loudspeakers due to the limited size, speaker, power is only 3--8W. Wireless and wired volume size is different, different uses, small suitable for teachers, tour guides, hanging at the waist, put hands to work more freely, and its power is 3W-8W. Large size suitable for outdoor activities, summer camps, extra-curricular lectures and other high traffic places, power in the 35W---95W. Lithium battery type is based on the use of loudhailers in classification made by a. It solves the dry battery pollution on the environment, it is primarily a mobile phone lithium battery technology to a loudspeaker supply.