What CRESYN does

CRESYN Co., Ltd. (크레신 주식회사) is a South Korea-headquartered audio equipment manufacturer founded in 1959 as Daehan Chukchim Jeso for phonograph needle production, reorganized as Shinwoo Acoustics in 1985, and rebranded to CRESYN (Creative + Shinwoo Acoustics) in 2002. The company operates as an OEM/ODM/JDM (Original Equipment/Design/Manufacturing) partner to global consumer electronics brands, producing finished audio products (TWS earbuds, wireless and wired headphones and earphones, Bluetooth speakers, data/audio cables, wireless chargers and power adapters) and core acoustic components (driver units, wires, printed board assemblies, mold and injection parts). Its technology stack centers on AI-Powered Audio for real-time environment analysis, AI-based Active Noise Cancellation tuned in HATS simulators and anechoic chambers, 360 Spatial Audio with head tracking, bone conduction, multi-sensor integration (IR, SAR, IMU, PPG, temperature), specialized SoCs for low-power wireless audio, and RF optimization. Manufacturing is conducted through 12+ wholly-owned subsidiaries across South Korea (Seoul HQ and R&D, Gumi sales), the United States (Phiaton, Los Angeles), Japan (Yokohama), Vietnam (CRESYN Hanoi, WOOJEON VINA Que Vo), China (Dongguan, Tianjin, Libin, Hayward), Indonesia (PT. Longvin Sukabumi), and the Philippines (KH Electron, Clark Freeport Zone, 2025). External validation includes the 2019 CES Innovation Award, two consecutive Samsung Innovation Case Awards (2015-2016), and the 2025 14th Electronics IT Day Industrial Medal to CEO Lee Jong-bae.

CRESYN serves global consumer-electronics brands under B2B OEM/ODM/JDM contracts with quote-based enterprise pricing; the company does not sell under its own consumer brand. Revenue is split across two streams: finished OEM/ODM/JDM audio products and discrete component sales (driver units, wire, PBA, mold and injection) supplied both internally and to external customers. The customer base is concentrated among major consumer-electronics manufacturers, with Samsung, Indona Skyworth, and Best Buy Japan named in the input data. ISO 9001, ISO 14001, ISO 45001, and ISO 13485 certifications are maintained across the China operations, and RBA Silver ratings were achieved in Vietnam and Indonesia in 2024 alongside a CDP B- climate rating. CRESYN reports no external funding, no parent company, and no public listing; it is led by co-representatives Lee Jong-bae (in role since 1978) and CEO Lee Tae-yoon.

Operationally, CRESYN pursues a "Five Management Principles" framework (innovation, open, promise, detail, gratitude management) articulated by CEO Lee Tae-yoon, and continues to invest in smart-factory automation, AI-based process control, and R&D centers in Seoul and Hanoi. Headcount sits in the 101-250 band; revenue and employee count are not publicly disclosed. The addressable market is anchored in the global IEM driver segment — $410.4M in 2025, projected to $785.9M by 2031 at an 11.4% CAGR — in which CRESYN competes as a component manufacturer and OEM/ODM partner rather than as a branded end-product seller.

Name

CRESYN

Legal name

크레신 주식회사

Website

https://cresyn.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

101–250 employees

Short description

CRESYN is a South Korea-based OEM/ODM/JDM audio equipment manufacturer producing TWS earbuds, headphones, Bluetooth speakers, and acoustic components for global consumer electronics brands across 12+ facilities in Asia and the US.

Ownership category

akta.pro rank

Product category

Audio Equipment Manufacturing

NAICS

Audio and Video Equipment Manufacturing (3343)

SIC

Household Audio & Video Equipment (3651), Electronic Components & Accessories (3670)

akta.pro primary industry

Microphones, Headsets & Audio Input Devices (HDACAFAH)

akta.pro secondary industries

Wireless Headphones (Over‑Ear & On‑Ear) (CRACANAB), Wired Headphones & Earphones (CRACANAC), Audio Accessories (Ear Tips, Cables, Stands, Cases, Transmitters) (CRACANAM), Audio for Cameras (On-camera Mics, Wireless Mics, Recorders) (CRACAPAH)

Keywords

• OEM audio manufacturing
• Acoustic components
• Wireless earphones
• Headphone manufacturing
• Audio equipment ODM

Headquarters

HQ city

Seocho

HQ country

South Korea

HQ region

Asia

Offices12 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. OEM/ODM/JDM Manufacturing: CRESYN manufactures audio equipment (headphones, earphones, speakers) as an OEM/ODM/JDM partner for major global electronics brands. The company provides end-to-end solutions from R&D and design to manufacturing and delivery.
2. Component Manufacturing: Production and supply of audio components including Driver Units, Wire, PBA (Printed Board Assembly), and Mold & Injection parts for internal use and external customers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

CRESYN designs and manufactures finished audio equipment — including True Wireless Stereo earbuds, wireless and wired headphones and earphones, Bluetooth speakers, cables, and chargers — as an OEM/ODM/JDM partner for major global electronics brands. The company also produces acoustic components such as driver units, wire, printed board assemblies (PBA), and mold & injection parts, with vertically integrated R&D, acoustic engineering, and manufacturing across South Korea, Vietnam, China, Indonesia, and the Philippines.

Product overview

CRESYN is an audio technology company with over 60 years of experience specializing in acoustic products and components. The company operates a comprehensive portfolio organized into two main divisions: finished audio products (Wireless, Wired, Speakers, Cables, Chargers) and components (Driver Units, Wires, PBA, Mold & Injection). The Wireless product line includes True Wireless Stereo (TWS) earbuds, wireless headphones, and wireless earphones featuring AI-powered audio, active noise cancellation, and 360 spatial audio. The Wired division offers traditional wired headphones and earphones. The company also manufactures Bluetooth speakers, data/audio cables, and wireless/power chargers. As an OEM/ODM/JDM manufacturer, CRESYN provides system integration services combining hardware and software for complete audio solutions, supported by R&D centers in Seoul, Hanoi, and Dongguan focusing on SoC integration, ANC tuning, spatial audio, bone conduction, and sensor applications.

Differentiator

Problem solved

Functional benefit

Named customers3 records

Segments2 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability6 records

Feature7 records

Scale indicators4 records

Recent moves18 records

Expansion highlights6 records

Broad incumbents

• Bose Corporation: US-headquartered premium audio brand with in-house manufacturing and active noise cancellation leadership. Comparable as an audio incumbent with similar ANC/spatial audio investment; Bose's owned-brand model represents an alternative CRESYN OEMs for.
• Jabra (GN Audio): Danish-headquartered headset and earbud brand with strong B2B/consumer hybrid model. Comparable as an incumbent with overlapping TWS, ANC, and professional audio capabilities targeting similar enterprise and consumer channels.
• Sonos: US-listed premium smart speaker and home audio brand. Comparable as an audio incumbent investing in spatial audio, multi-room ecosystems, and AI-driven sound personalization — a downstream brand-side counterpart to CRESYN's OEM platform.
• Harman International (a Samsung company): Samsung-owned premium audio and connected car solutions group (JBL, AKG, Harman Kardon). Comparable as both a customer-adjacent incumbent and as a brand-side audio manufacturer that CRESYN competes with for OEM share inside Samsung's ecosystem.
• Foxconn (Hon Hai Precision): Taiwan-listed world's largest EMS/ODM with growing audio capability via its Fii/Sharp acquisitions and acoustic subsidiaries. Comparable as a scale incumbent that competes for OEM share with global electronics brands.

Direct peers

• AAC Technologies: Hong Kong-listed supplier of miniaturized acoustic components (micro speakers, receivers, MEMS mics) plus optics and haptics. Closely comparable to CRESYN's component-side business (driver units, PBA) and overall B2B acoustic component strategy.
• Luxshare Precision: Shenzhen-listed precision manufacturing and ODM group with growing audio and TWS capability supplying Apple AirPods and other Tier-1 brands. Comparable as a large-scale ODM with vertically integrated components-to-finished-goods audio manufacturing.
• Knowles Corporation: US-listed supplier of audio components (micro-acoustic microphones, balanced armature speakers, audio processors). Closely comparable to CRESYN's driver unit and acoustic component business for hearing health and premium consumer audio.
• GoerTek: Shenzhen-listed Chinese audio OEM/ODM and one of the world's largest headphone/TWS manufacturers. Directly comparable to CRESYN as a contract manufacturer serving global consumer electronics brands with vertically integrated acoustic capabilities.
• Sonavox: China-based audio OEM/ODM manufacturer of speakers, headphones, and audio components. Directly comparable mid-sized peer competing for OEM contracts with global consumer electronics brands.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CRESYN