Other
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: > Parts: > Of line telephone handsets of subheading 8518.30.10; of repeaters of subheading 8518.40.10: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8518.90.41.00
Line Telephone Handset Microphone Assembly
This is the microphone component assembly specifically designed for integration into line telephone handsets classified under subheading 8518.30.10. It captures voice signals for transmission over analog telephone lines and meets the technical specifications for parts of those handsets. Classified under 8518.90.41.00 as 'other' parts of line telephone handsets.
Telephone Repeater Audio Input Module
Audio input module serving as the microphone interface for analog telephone line repeaters under subheading 8518.40.10. This part amplifies and conditions weak voice signals in long-distance analog repeater stations. Falls under 8518.90.41.00 as 'other' parts specifically for those repeaters.
Analog Handset Carbon Microphone Cartridge
Replaceable carbon microphone cartridge for classic line telephone handsets (8518.30.10), containing carbon granules for voice-to-electrical signal conversion. Designed for easy insertion into handset microphone housings. Classified in 8518.90.41.00 as a part of line telephone handsets.
Line Repeater Signal Conditioning Board
Printed circuit board assembly with microphone preamplifiers for analog telephone line repeaters (8518.40.10). Conditions low-level audio pickup signals for transmission over copper lines. HTS 8518.90.41.00 as 'other' repeater parts.
Telephone Handset Acoustic Coupler Assembly
Acoustic interface assembly that mounts inside line telephone handsets (8518.30.10) to optimize microphone pickup patterns. Includes damping materials and porting for clear voice transmission. Classified under 8518.90.41.00 for handset parts.
Analog Repeater Voice Frequency Filter Module
Module containing band-pass filters and microphone interface circuits for analog line repeaters (8518.40.10). Ensures voice signals stay within 300-3400 Hz telephony band. HTS 8518.90.41.00 as repeater part.
Handset Microphone Wiring Harness
Custom wiring harness connecting microphone elements to telephone handset base in 8518.30.10 line telephones. Includes shielding for noise rejection and strain relief. Classified 8518.90.41.00 as handset part.
Repeater Station Microphone Pre-Amplifier
Low-noise pre-amplifier circuit board for microphone signals in analog telephone repeater stations (8518.40.10). Provides initial gain before main repeater amplification stages. HTS 8518.90.41.00 classification.
Western Electric 500-Series Microphone Insert
OEM replacement microphone insert for iconic Western Electric 500-series line telephones (8518.30.10). Carbon button design maintains authentic voice characteristics. Specific 8518.90.41.00 handset part.
Telephone Repeater Rackmount Audio Interface
Rackmount interface panel with microphone inputs for central office analog repeaters (8518.40.10). Multiple channel capability for trunk line applications. HTS 8518.90.41.00 as repeater component.