Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers,and parts and accessories of such articles 85 Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles 85 18 Microphones; loudspeakers; headphones...; electric amplifiers... 85 18 40 Used for public address systems 85 18 40 30 Used for public address systems Commodity Code Description 85 18 40 30 000 Used for public address systems