helptariff
United States → KoreaHS 851840Other audio-frequency electric amplifiersBroker recommended

전기기기와 그 부분품, 녹음기ㆍ음성 재생기ㆍ텔레비전의 영상과 음성의 기록기ㆍ재생기와 이들의 부분품ㆍ부속품(ko) › Microphones and stands therefor; loudspeakers, whether or not mounted in their enclosures; headphones and earphones, whether or no

Other audio-frequency electric amplifiers

HS 851840United States → Korea

Destination duty
0%
FTA 협정세율 - 미국
VAT (부가가치세)
10%
Clearance difficulty
Broker recommended

1Overview

  • Destination duty: 0% (FTA 협정세율 - 미국, 8518400000)
  • VAT (부가가치세): 10%
  • This code covers: Other audio-frequency electric amplifiers

Key points

  • Small-consignment exemption: goods value of US$150 or less for self-use items, and US$200 or less for goods of U.S. origin under KORUS. Same-day shipments from the same sender are aggregated.
  • Import VAT is 10%, charged on the customs value plus duty plus any individual consumption or liquor tax.
  • A customs broker is not mandatory. The importer may self-file in UNI-PASS, and an individual needs a personal customs clearance code.
  • FTA preference needs a certificate or declaration of origin: KORUS for U.S. origin, the Korea-China FTA or RCEP for Chinese origin. Korea and Taiwan have no agreement, so the basic or WTO rate applies.
  • Whether a product requirement applies depends on the HS code. Food, cosmetics, electrical goods and radio equipment must clear their agency requirement before customs clearance can proceed.

As of: 2026-02-12

2Classification

HS6 names

  • enOther audio-frequency electric amplifiers
  • zh_hant其他聲頻擴大器
  • zh_hans其他声频扩大器

Korea tariff lines

LineDescription
8518400000가청주파증폭기
United States export-side line (reference)
  • 8518.40.10.00For use as repeaters in line telephony
  • 8518.40.20.00Other

Top 3 Korea rulings

  • 디지털 오디오 파워앰프 ; NXAMP4X1 MK2- 개요 ㆍ오디오믹서로부터 신호를 수신하여 가청주파수의 전기신호를 증폭하는 가청주파증폭기(10Hz ~ 20kHz)로 부가적으로 EQ(equalizer)* 조정과 스피커별 타임딜레이 기능이 있어 스피커로 최적의 음원 출력 * 오디오믹서에서 Equalizer를 통해 주파수의 특성을 변경시켜 음원을 처리하여 신청물...
  • AMPLIFIER ; 96370-D2500 ; China○ 본건 물품은 자동차의 AVN(Audio, Video, Navigation)시스템으로부터 수신된 음성신호를 본건 물품내의 신호처리부를 거쳐 가청주파수대역(20Hz~20KHz)으로 증폭시켜 본건 물품에 연결되는 스피커로 출력하는 물품임 - 증폭 주파수 대역 : 20Hz~20kHz - 최대 출력 채널 : 12 ...
  • AMPLIFIER ; 96370-D2000 ; China○ 본건 물품은 자동차의 AVN(Audio, Video, Navigation)시스템으로부터 수신된 음성신호를 본건 물품내의 신호처리부를 거쳐 가청주파수대역(20Hz~20KHz)으로 증폭시켜 본건 물품에 연결되는 스피커로 출력하는 물품임 - 증폭 주파수 대역 : 20Hz~20kHz - 최대 출력 채널 : 10 ...

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As of: 2026-02-12

3Duty & tax

Rate available to United States origin

LineDescription기본세율WTO 협정세율(양허세율)FTA 협정세율 - 미국
8518400000가청주파증폭기8%0%0%
  • · Tax base = customs value (CIF) + duty + individual consumption tax, liquor tax, education tax and special rural development tax where they apply.
  • · Duty is calculated at whichever rate in the tariff schedule applies: basic rate (A), WTO rate (C), or an FTA preferential rate.
  • · Small self-use consignments may instead be assessed at the simplified combined rate under Article 81 of the Customs Act, which rolls duty and internal taxes into one figure.
  • · Individual consumption tax applies only to listed goods such as certain cosmetics, precious metals and vehicles; alcohol carries liquor tax and education tax separately.
  • · A business importer can normally credit the import VAT as input tax, so the final cost differs between businesses and individuals.

Landed-cost estimate

Duty rate used
0%
Customs value
—
Duty
—
VAT (부가가치세)
—
Estimated total
—

A rough estimate. The real amount depends on valuation, classification and origin determination.

As of: 2026-02-12

4Requirements

  • 8518400000전기용품 및 생활용품 안전관리법
    Agency:
    기술표준원
    Document:
    전기용품 및 생활용품 요건확인서
  • 8518400000전기용품 및 생활용품 안전관리법
    Agency:
    한국기계전기전자시험연구원
    Document:
    전기용품 및 생활용품 요건확인서
  • 8518400000전기용품 및 생활용품 안전관리법
    Agency:
    한국산업기술시험원
    Document:
    전기용품 및 생활용품 요건확인서
  • 8518400000전기용품 및 생활용품 안전관리법
    Agency:
    한국제품안전협회
    Document:
    전기용품 및 생활용품 요건확인서
  • 8518400000전기용품 및 생활용품 안전관리법
    Agency:
    한국화학융합시험연구원
    Document:
    전기용품 및 생활용품 요건확인서
  • 8518400000전파법
    Agency:
    국립전파연구원
    Document:
    방송통신기기인증확인서

Agencies involved

  • Korea Customs Service (KCS)Import clearance, assessment and collection of duty, origin and product-requirement verificationcustoms.go.kr
  • UNI-PASSThe national customs information system: declarations, personal clearance codes, clearance statusunipass.customs.go.kr
  • KCS FTA PortalOrigin certification method by agreement, rate lookup, retroactive claimscustoms.go.kr
  • Ministry of Food and Drug Safety (MFDS)Imported food, health functional food, cosmetics, medicines and medical devicesmfds.go.kr
  • Korean Agency for Technology and Standards (KATS) / Product Safety Information CentreKC safety certification and safety confirmation for electrical and consumer productssafetykorea.kr
  • National Radio Research Agency (RRA)Conformity assessment for broadcasting and communications equipmentrra.go.kr

As of: 2026-08-27

5Documents

United States export documents

  • Commercial invoice
    Issued by:
    Exporter
    When:
    With the shipment

    Buyer, seller, description, quantity, value, currency, terms of sale and country of origin; used by the destination customs authority as well.

    Official page
  • Packing list
    Issued by:
    Exporter
    When:
    With the shipment

    Carton-level contents, weights, dimensions and marks.

    Official page
  • Bill of lading or air waybill
    Issued by:
    Carrier or freight forwarder
    When:
    Issued at loading

    Contract of carriage; the ocean bill of lading is also the document of title.

    Official page
  • Electronic Export Information (EEI) and ITN
    Issued by:
    Exporter or authorised agent, filed in AESDirect within ACE
    When:
    Before lading, on the deadline for the mode of transport

    Required when a single Schedule B or HTS line exceeds US$2,500 or a licence is required. The ITN is the proof of filing.

    Official page
  • Shipper's Letter of Instruction (SLI)
    Issued by:
    Exporter
    When:
    When a forwarder files on the exporter's behalf

    Authorises the forwarder as agent and carries the data needed for the AES filing.

    Official page
  • Export licence
    Issued by:
    Bureau of Industry and Security (EAR) or Directorate of Defense Trade Controls (ITAR)
    When:
    Before export, when the ECCN or USML category and destination require it

    Licence exceptions may be available; the licence or exception is cited in the AES filing.

    Official page
  • Certification of origin for a free trade agreement
    Issued by:
    Exporter or producer
    When:
    Provided to the buyer for its import claim

    KORUS uses self-certification with no prescribed form. There is no agreement covering Taiwan or mainland China.

    Official page
  • Certificate of Free Sale or FDA export certificate
    Issued by:
    U.S. Food and Drug Administration or a state authority
    When:
    When the importing country's authority asks for it

    Common for food, dietary supplements, cosmetics, drugs and medical devices going to Korea, Taiwan or mainland China.

    Official page
  • Power of attorney to the forwarder
    Issued by:
    Exporter
    When:
    Before the forwarder acts

    Needed for the forwarder to file EEI and act before CBP as authorised agent.

    Official page

Korea import documents

  • Import declaration (수입신고서)
    Issued by:
    Importer or customs broker, filed electronically in UNI-PASS
    When:
    After the goods enter the bonded area; pre-arrival filing is also allowed

    The form and the way it is completed are prescribed by the KCS notification on import clearance. Paperless (P/L) declarations require no attachments.

    Official page
  • Import declaration certificate (수입신고필증)
    Issued by:
    Customs
    When:
    Issued when the declaration is accepted

    The release document, also used as evidence for input VAT credit and for cost accounting.

    Official page
  • Commercial invoice
    Issued by:
    Exporter
    When:
    With the declaration

    The primary basis for the customs value. Incoterms, currency, unit price and total must be unambiguous.

    Official page
  • Packing list
    Issued by:
    Exporter
    When:
    With the declaration

    Used for reconciliation during physical examination.

    Official page
  • Bill of lading or air waybill
    Issued by:
    Carrier or freight forwarder
    When:
    Issued at loading

    Evidence of carriage and of the right to take delivery; reconciled against the cargo manifest.

    Official page
  • Certificate or declaration of origin
    Issued by:
    Issuing body in the exporting country, or the exporter under self-certification
    When:
    When claiming a preferential rate

    KORUS uses self-certification, the Korea-China FTA uses an authority-issued certificate, and RCEP follows the mechanism set in the agreement. A retroactive claim is possible for a period after release.

    Official page
  • Product requirement documents
    Issued by:
    MFDS, KATS, National Radio Research Agency and others
    When:
    Before or together with the declaration

    For example the imported-food declaration certificate, cosmetics paperwork, KC safety certification or safety confirmation for electrical and consumer products, and conformity assessment for radio equipment.

    Official page
  • Personal customs clearance code (개인통관고유부호)
    Issued by:
    Korea Customs Service
    When:
    Obtained before an individual imports

    A 13-character code used instead of the resident registration number when an individual is the importer.

    Official page
  • Business registration certificate
    Issued by:
    National Tax Service
    When:
    When a business imports

    Used with the trade business number to identify the importer.

    Official page

6Procedure

  1. Arrival and manifestThe carrier or forwarder files the cargo manifest before arrival and reports discharge once the vessel is in.
  2. Entry into a bonded areaThe goods move into a bonded area such as a CY, CFS or bonded warehouse. A declaration can be filed from that point, or earlier as a pre-arrival or pre-departure declaration when speed matters.
  3. Import declarationThe importer or a customs broker files the declaration in UNI-PASS with the HS code, customs value, origin, the rate claimed including any FTA preference, and any product requirement.
  4. Document review and examinationThe declaration is routed as paperless, document review or physical examination. Goods subject to a product requirement wait until the relevant agency has confirmed it.
  5. PaymentDuty, VAT and any internal taxes are paid. With security lodged, deferred payment including monthly consolidated payment is available.
  6. Acceptance and releaseOnce the import declaration certificate is issued the goods leave the bonded area. Amendment, refund claims and duty drawback follow their own separate procedures.
  1. Arrival and discharge reportThe airline files the manifest and reports discharge, and the goods move into the airport bonded cargo terminal.
  2. Import declarationThe declaration is filed in UNI-PASS, with the same pre-arrival option as for ocean cargo.
  3. Review, examination and requirementsAgency confirmation is obtained where a product requirement applies. Because air cargo moves quickly, the requirement step is often the constraint.
  4. Payment and acceptanceTaxes are paid and the import declaration certificate is issued.
  5. ReleaseThe goods leave the airport bonded area.
  1. Express clearance listThe express operator submits the clearance list to customs before arrival. For an individual importer it must carry the personal customs clearance code.
  2. Choosing the trackLow-value self-use goods go through list clearance; everything else goes through a simplified or a full declaration. Goods excluded from list clearance, such as medicines, health functional foods, some foods and cosmetics and electrical goods, must be declared regardless of value.
  3. Exemption testSelf-use goods with a goods value of US$150 or less, or US$200 or less for U.S. origin, are free of duty and VAT. Same-day shipments from the same sender are added together for the test.
  4. Assessment and paymentAbove the threshold the whole value is taxable, and small self-use consignments may be assessed at the simplified combined rate. Express operators normally advance the tax and bill the recipient.
  5. Release and deliveryAfter clearance the operator delivers. Goods awaiting an agency confirmation stay in the bonded area until it is issued.
  1. Traveller declarationOn arrival, travellers complete the traveller declaration form or the mobile declaration and declare dutiable goods.
  2. Personal allowanceThe basic allowance is US$800, with separate allowances for alcohol, tobacco and perfume.
  3. Voluntary declarationDeclaring goods above the allowance voluntarily earns a reduction in the duty; failing to declare and being found out attracts a penalty surcharge.
  4. Commercial goodsGoods carried for sale need an ordinary import declaration even when hand-carried, and any product requirement still applies.
Show United States export-side steps
  1. Classify and screenDetermine the Schedule B number, check whether the item has an ECCN on the Commerce Control List or falls under the USML, and screen the buyer, end user and end use against the OFAC and BIS lists.
  2. Book and documentBook with the carrier or forwarder, and prepare the commercial invoice, packing list and Shipper's Letter of Instruction. Obtain any export licence that applies.
  3. File EEIFile the EEI in AESDirect at least 24 hours before the cargo is loaded onto the vessel, and record the ITN returned by the system.
  4. Deliver and ladeDeliver the cargo to the terminal. The carrier cites the ITN on its outbound manifest; without it the goods should not be laded.
  5. Departure and documentsAfter sailing, collect the bill of lading and send the shipping documents and the origin certification to the buyer for its import clearance.
  6. RecordkeepingKeep the export records, generally for five years from the date of export, and correct the AES filing if the shipment particulars change.

7Difficulty

Broker recommended

Score: 0.75

A signal derived from public data, not advice.

Why this reading

  • regime[KATS] Household electrical appliances need KC safety certification (factory audit + product test, with periodic audits) or safety confirmation; customs blocks entry without it and testing is per model.kats.go.kr2026-09-07
  • requirement2 destination import requirement(s) found: 전기용품 및 생활용품 안전관리법, 전파법unipass.customs.go.kr2026-09-07
  • ambiguityClassification is contested — rulings for this HS6 scatter across several subheadings and are often decided against neighbouring codesunipass.customs.go.kr2026-09-07

Components

Import requirements0.76전기용품 및 생활용품 안전관리법 unipass.customs.go.kr전파법 unipass.customs.go.kr요건 법령 2건 · 하위 HS10 1/1건 해당 customs_v0.sqlite:kr_requirements (UNI-PASS API029 세관장확인대상)
Classification ambiguity0.57KR 결정례 12건 · 하위 세번 1종으로 분산 unipass.customs.go.krUS CROSS 41건 중 복수 세번 결정 비율 54% · 같은 사건에서 함께 검토된 다른 HS6 37개 rulings.cbp.gov
Regulatory regime0.83전기용품 및 생활용품 안전관리법 — KC 안전인증/안전확인 kats.go.kr전파법 — 방송통신기자재 적합성평가(KC 전파) rra.go.kr
United States origin-side note: No US export PGA mapping (EAR and sanctions screening still apply). cbp.gov

As of: 2026-09-07

8Cases

  • 디지털 오디오 파워앰프 ; NXAMP4X1 MK2- 개요 ㆍ오디오믹서로부터 신호를 수신하여 가청주파수의 전기신호를 증폭하는 가청주파증폭기(10Hz ~ 20kHz)로 부가적으로 EQ(equalizer)* 조정과 스피커별 타임딜레이 기능이 있어 스피커로 최적의 음원 출력 * 오디오믹서에서 Equalizer를 통해 주파수의 특성을 변경시켜 음원을 처리하여 신청물...Decided line: 8518400000Date: 2021-05-01
  • AMPLIFIER ; 96370-D2500 ; China○ 본건 물품은 자동차의 AVN(Audio, Video, Navigation)시스템으로부터 수신된 음성신호를 본건 물품내의 신호처리부를 거쳐 가청주파수대역(20Hz~20KHz)으로 증폭시켜 본건 물품에 연결되는 스피커로 출력하는 물품임 - 증폭 주파수 대역 : 20Hz~20kHz - 최대 출력 채널 : 12 ...Decided line: 8518400000Date: 2017-10-11
  • AMPLIFIER ; 96370-D2000 ; China○ 본건 물품은 자동차의 AVN(Audio, Video, Navigation)시스템으로부터 수신된 음성신호를 본건 물품내의 신호처리부를 거쳐 가청주파수대역(20Hz~20KHz)으로 증폭시켜 본건 물품에 연결되는 스피커로 출력하는 물품임 - 증폭 주파수 대역 : 20Hz~20kHz - 최대 출력 채널 : 10 ...Decided line: 8518400000Date: 2017-10-11
  • Amplifier for Headphone, Aurender V1000- 음원 소스기기(PC, 노트북, CD 플레이어 등)로부터 입력된 음원(디지털 및 광 신호)을 아날로그 신호로 변환(DAC 기능) 및 증폭(Amplifier)하여 헤드폰으로 출력(80㎜×137㎜×28㎜, 4.5kg) - LCD 화면, 볼륨 조절용 Knob, 각종 작동버튼, 입력 및 출력단자 등이 형성되어 있음Decided line: 8518400000Date: 2014-08-19
  • Amplifier for Speakers, Aur-X725- 음원 소스기기(PC, 노트북, CD 플레이어 등)로부터 입력된 음원(디지털 및 광 신호)을 아날로그 신호로 변환(DAC 기능) 및 증폭(Amplifier)하여 스피커로 출력(214㎜×390㎜×60㎜, 4.7kg) - 볼륨 조절용 Knob, 리모콘 수신부, 입력 및 출력단자 등이 형성되어 있음Decided line: 8518400000Date: 2014-08-19
  • 앰프 ; EPA-2403 ; 400W 증폭앰프 ; 한국1) 물품 개요 - 오디오 음향 증폭기로 후면부에 스피커 연결단자, 신호입력단자, 저역필터, 입력레벨 조절기가 있는 물품 2) 주요사항 - 정격출력 : 400W(RMS) - 출력전압 : 40V/4Ω(로우), 100/25Ω - 주 파 수 : 80㎐~17㎑ ±3dB - 신호대 잡음비 : 85dB 이상 - 전 원 ...Decided line: 8518400000Date: 2014-07-11
  • DIGITAL AMPLIFIER (모델:EXT.AMP ASSY-EA390ITXX,AMP-400LME 12MY)ο 물품개요 - 자동차의 AVN(Audio, Video, Navigation)시스템으로부터 수신된 음성신호를 증폭하여 스피커로 출력하는 기기 ο 주요 구성요소 - Main Board : 본 물품의 작동을 제어(MCU)하고 음성신호 처리(아날로그→디지털, 디지털→아날로그 / 음질튜닝 /채널믹싱 / 증폭), CA...Decided line: 8518400000Date: 2014-07-10
  • Audio Power Amplifier ; PA-3000D ;; KRㅇ 물품개요 - 오디오 음향 증폭기로 전면부에 마이크 입력 및 외부입력 소신호 증폭기와 믹싱회로가 있고, 후면부는 소신호 입력을 받아 스피커를 구동하는 대전력 음향 증폭기로 구성된 물품 ㅇ 주요사양 - 중량 : 8kg - 크기 : 420(W) × 135(H) × 330(D) - 출력 : 240W - 전압 및 ...Decided line: 8518400000Date: 2013-12-26
  • Power Integrated Processor For Digital Amplifier; NTP 3000 ;;; KOREAㅇ 물품개요@§ - 모노리딕 IC 3개를 플라스틱으로 Packaging한 복합구조형태의 IC로, @§Mini-Component Audio 등에서 다양한 Sound Effects 등의 신호처리 및 증@§폭기능을 하는 물품임@§@§ㅇ 형태@§ - 모노로딕 IC 3개(증폭용 IC 2개와 Processor IC 1개...Decided line: 8518400000Date: 2006-06-22
  • Amp-receiver(상품명 Receiver)가. 구성 -가청주파증폭기(엠프리파이어)및 라디오 방송수신용 튜너(FM, AM)가 일체로 결합된 복합기기임 나. 기능 - 앰프리파이어와 라디오방송수신용 튜너가 일체형으로 결합된 앰프리시버("리시버"라고도 함)로서 Audio/Video기기의 음성 입.출력이 가능하고 돌비 프로로직이 가능하며 라디오방송 수신기능을...Decided line: 8518400000Date: 1996-02-07
  • Mixer Amplifier combined with key controller외부에서 입력되는 각종 음성신호를 Mixing하여 증폭하는 기기로 디지털 에코장치인 Key Controller가 결합된 것으로 비 가정용 가청 주파증폭기임.Decided line: 8518400000Date: 1990-04-20
  • Boosters; BP-880ㅇ 7- Band Equalizer기능과 Amplifier기능을 함께가진 것임Decided line: 8518400000Date: 1989-07-28
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