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 Other Audio-frequency electric amplifiers 85 18 40 90 Other Audio-frequency electric amplifiers Commodity Code Description 85 18 40 90 000 Other Audio-frequency electric amplifiers