8518 Microphones and Stands Therefor (Excl. Cordless Microphones With Built-in Transmitter), Loudspeakers, Whether or not Mounted in Their Enclosures, Headphones and Earphones, Whether or not Combined With a Microphone, and Sets Consisting of a Microphone And one or More Loudspeakers (Excl. Telephone Sets, Hearing Aids and Helmets With Built-in Headphones, Whether or not Incorporating a Microphone), Audio-frequency Electric Amplifiers, Electric Sound Amplifier Sets, Parts Thereof

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