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About product and suppliers:
        Alibaba.com offers 4,249 teaching speaker products. About 26% of these are speaker, 6% are amplifier, and 4% are professional audio, video & lighting. 

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

There are 4,249 teaching speaker suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of teaching speaker respectively. 

Teaching speaker products are most popular in Domestic Market, North America, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 2,073 with ISO9001, 704 with ISO14001, and 632 with OHSAS18001 certification.