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About product and suppliers:
        Alibaba.com offers 24,722 excitation products. About 1% of these are speaker. 

A wide variety of excitation options are available to you, such as passive, active, and asynchronous motor. You can also choose from computer, portable audio player, and home theatre. As well as from 1, 2 (2.0), and 3 (2.1). And whether excitation is mini, or wireless. 

There are 24,722 excitation suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of excitation respectively. 

Excitation products are most popular in Domestic Market, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 8,107 with Other, 7,109 with ISO9001, and 2,567 with ISO14001 certification.