8518 | | Microphones and stands therefor; 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; audio-frequency electric amplifiers; electric sound amplifier sets; parts thereof: | | | | |
8518.40 | | Audio-frequency electric amplifiers: | | | | |
9817.00.40 | 00 | Developed photographic film, including motion-picture film on which pictures or sound and pictures have been recorded; photographic slides; transparencies; sound recordings; recorded video tape; models (except toy models); charts; maps; globes; and posters; all of the foregoing which are determined to be visual or auditory materials in accordance with U.S. note 1(a) of this subchapter | X | Free | | Free |
9817.00.42 | 00 | Articles determined to be visual or auditory materials in accordance with U.S. note 1 of this subchapter: | | | | |
9817.00.48 | 00 | Patterns and wall charts; globes; mock-ups or visualizations of abstract concepts such as molecular structures or mathematical formulae; materials for programmed instruction; and kits containing printed materials and audio materials or any combination of two or more of the foregoing | X | Free | | Free |