|
| 803 10 | CARTRIDGES, MICROPHONE, PHONOGRAPH, ETC., NEEDLES, PICKUP ARMS, STYLI, ETC. |
| 803 16 | DISC PLAYERS, COMPACT, MP3, ETC. |
| 803 18 | ELECTRONIC SOUND EQUIPMENT (NOT OTHERWISE CLASSIFIED) |
| 803 20 | GROUP AUDITORY SYSTEMS, LANGUAGE LABORATORIES, AND SPEECH TRAINING EQUIPMENT |
| 803 30 | INTERCOM SYSTEMS, GROUP, FOR PANEL DISCUSSIONS, SCHOOLROOMS, HOSPITAL ROOMS, ETC. |
| 803 39 | MICROPHONES AND RELATED EQUIPMENT, NOT WIRELESS SYSTEMS: CHESTSETS, EARPHONES, HANDSETS, HEADPHONES, ETC. |
| 803 40 | MICROPHONES AND RELATED EQUIPMENT, WIRELESS SYSTEMS: CHESTSETS, EARPHONES, HANDSETS, HEADPHONES, ETC. |
| 803 45 | MUSIC SYSTEMS AND COMPONENTS: AMPLIFIERS, MIXERS, PREAMPLIFIERS, TUNERS, TURNTABLES, ETC. |
| 803 50 | MUSIC SYSTEMS AND COMPONENT, STEREO ONLY |
| 803 54 | PAGING SYSTEMS, AIRPORT |
| 803 55 | PAGING SYSTEMS, LOUD SPEAKER TYPE |
| 803 56 | PAGING TERMINAL, SOLID STATE, COMPUTERIZED |
| 803 60 | PUBLIC ADDRESS SYSTEMS, PORTABLE |
| 803 61 | PUBLIC ADDRESS SYSTEMS, STATIONARY |
| 803 65 | RECORD PLAYER, PHONOGRAPHS, RECORD CHANGERS, INCLUDING PARTS AND ACCESSORIES |
| 803 68 | RECORDERS, DIGITAL, VOICE TO CD |
| 803 70 | RECORDING DISKS AND SOUND SHEETS, INCLUDING COMPACT AND LASER DISKS |
| 803 75 | RECORDING TAPE, SOUND: AUDIO CASSETTES, CARTRIDGES, REELS, ETC. |
| 803 77 | RECYCLED SOUND EQUIPMENT, COMPONENTS AND ACCESSORIES |
| 803 79 | SOUND BOOTHS OR CHAMBERS, INCLUDING ANECHOIC, PORTABLE AND SOUNDPROOF TYPES |
| 803 80 | SPEAKERS AND ACCESSORIES: DRIVERS, ENCLOSURES, GRILLES, GRILLE CLOTH, ETC. |
| 803 82 | STUDIO MONITORS, BROADCASTING AND RECORDING |
| 803 85 | TAPE RECORDERS, DECKS, PLAYERS, ETC., SOUND, NOT FOR OFFICE DICTATION |
| 803 90 | TAPE DUPLICATING AND ERASING EQUIPMENT |
| 803 92 | TELEPHONY EQUIPMENT, ACCESSORIES AND SUPPLIES |