STH Holdings Co.

Name

STH Holdings Co.

Legal name

STH Holdings Co., Ltd.

Website

https://sth-holdings.com

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

101–250 employees

Short description

STH Holdings Co. is a Bangkok-based investment holding company that designs, manufactures, and distributes professional loudspeaker systems and components under the P.Audio and One Systems brands, and provides live event equipment rental and show production services through its subsidiaries across Thailand, Taiwan, and the United States.

Ownership category

akta.pro rank

Product category

Professional Audio Equipment Manufacturing

NAICS

Audio and Video Equipment Manufacturing (33431)

SIC

Musical Instruments (3931)

akta.pro primary industry

Live Sound & Stage Equipment (PA Systems, Amplification, Monitoring) (MPAIAJAD)

akta.pro secondary industries

Pro Audio Equipment (Mics, Interfaces, Mixers, Studio Monitors) (MPAIAJAB), Backline & Musical Instrument Rentals (Concert/Performance Support) (THAHAEAL), Backline & Musical Instrument Rental (MPAGAKAJ)

Keywords

• Professional audio manufacturing
• Loudspeaker systems
• Voice coil production
• Live event production
• OEM audio components

Headquarters

HQ city

Bangkok

HQ country

Thailand

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Professional Audio Product Sales: Revenue from manufacturing and selling loudspeaker systems, components (voice coil, LF driver, HF driver, horn, tweeter), and all-weather speakers under P.Audio and One Systems brands. Also includes OEM manufacturing for other audio brands worldwide.
2. Live Event Equipment Rental: Revenue from renting audio and lighting equipment including L-Acoustic Systems for concerts, festivals, corporate events, conferences, exhibitions, and private events. Equipment rental services with experienced engineers providing service plans tailored to customer needs.
3. Fixed Installation Services: Revenue from designing and supplying sound and lighting equipment for fixed installations in restaurants, bars, churches, showrooms, hospitals, and other venues.
4. Show Management Services: Comprehensive event production services including ticketing system, venue booking, accommodation, hospitality, PR and marketing, food and beverage, usher and security, logistics, and sponsorship management.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels4 records

Core offering

STH Holdings designs, manufactures, and distributes professional loudspeaker systems and components (voice coils, LF/HF drivers, horns, tweeters, all-weather speakers) under its in-house P.Audio and One Systems brands, and provides OEM manufacturing for global audio brands. Through its subsidiary One Systems Global Production, the company also provides live event production services including audio and lighting equipment rental (featuring L-Acoustic Systems), fixed venue installation, and comprehensive show management for concerts, festivals, corporate events, and touring artists.

Product overview

STH Holdings Co. is an investment holding company operating a portfolio of six subsidiaries and one associate in the professional audio and live entertainment industry. The company offers two core business lines: (1) Professional Audio Manufacturing through STH Professional Audio Co., Ltd., which owns P.Audio and One Systems brands and manufactures components including voice coils, LF drivers, HF drivers, horns, tweeters, all-weather loudspeakers, and OEM products; and (2) Live Music Solutions through One Systems Global Production Co., Ltd., providing equipment rental (L-Acoustic Systems, computer lights), fixed venue installation, and show management services. The group structure includes One Systems Tech (Taiwan procurement), STH A-Ton (Thailand voice coil manufacturing), STH Professional Audio (Thailand brand management), One Systems Inc. (US marketing), One Systems Global Production (Thailand event production), and GP Electronics & Acoustics Co., Ltd. (associate, 10% stake, speaker manufacturing for STHPA).

Differentiator

Problem solved

Functional benefit

Brands

• P.Audio: Professional loudspeaker manufacturer brand founded in Thailand in 1991, managed by STH Professional Audio Co., Ltd.
• One Systems

Products and services

• P.Audio Loudspeakers Professional loudspeaker manufacturer brand founded in Thailand in 1991, managed by STH Professional Audio Co., Ltd., part of the in-house brand portfolio alongside One Systems. P.Audio products are designed and manufactured for professional audio applications worldwide.
• One Systems Loudspeakers Weatherproof loudspeaker brand suitable for both indoor and outdoor applications, designed to withstand direct weather and harsh environments while maintaining high audio quality. Managed by STH Professional Audio Co., Ltd. and One Systems Inc. in the United States.
• Voice Coils Critical loudspeaker component manufactured by STH A-Ton (Thailand) Co., Ltd., a voice coil manufacturer originating from Taiwan in 1973. Produced using modern technology and experienced factory team, supplied to in-house brands and external OEM customers.
• LF Drivers (Low-Frequency Drivers) Low-frequency transducer components for professional loudspeaker systems, part of the comprehensive product range manufactured for in-house brands and OEM customers.
• HF Drivers (High-Frequency Drivers) High-frequency transducer components for professional loudspeaker systems, part of the comprehensive product range manufactured for in-house brands and OEM customers.
• Horns Professional audio horn components included in the product range for in-house brands and OEM manufacturing.
• Tweeters High-frequency driver components in the professional audio product range, supplied to in-house brands and OEM customers.
• All-Weather Loudspeakers Weatherproof speakers designed for both indoor and outdoor applications, built to withstand direct weather and harsh environments while maintaining high audio quality. Part of the One Systems brand portfolio.
• OEM Manufacturing Services Original equipment manufacturing services producing professional audio products on an OEM basis for customers representing top-notch audio brands worldwide, manufactured at the state-of-the-art factory in Thailand.
• Event Equipment Rental Audio and lighting equipment rental services for concerts, festivals, corporate events, conferences, exhibitions, and private events, based in Bangkok. Owns L-Acoustic Systems and over 1,000 pieces of computer lights in Thailand for serving events at any scale, with experienced engineers providing tailored service plans.
• Fixed Audio and Lighting Installation Fixed installation services designing and supplying sound and lighting equipment for permanent installations in restaurants, bars, churches, showrooms, hospitals, and other venues.
• Show Management Services Comprehensive event production services including ticketing system, venue booking, accommodation, hospitality, PR and marketing, food and beverage, usher and security, logistics, and sponsorship management for live shows and events.

Quantifiable outcome

• Serve over 1,000 clients in more than 20 countries
• +1 more outcomes

Named customers10 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• GP Electronics & Acoustics Co., Ltd (GPEA)minorOthersSTH Holdings holds a 10% equity stake in GP Electronics & Acoustics Co., Ltd. GPEA is a subsidiary of Gold Peak Group and manufactures speaker products for STH Professional Audio, ensuring quality audio components for STHPA's product lines. The relationship provides manufacturing capacity and quality assurance for speaker product supply.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• L-Acoustics: Premium PA system and line-array manufacturer that competes directly with STH's loudspeaker brands in the live event and installed sound markets. L-Acoustics equipment is also used by STH's own event production arm, highlighting direct head-to-head positioning at the high end of pro audio.
• d&b audiotechnik: German pro audio manufacturer of PA systems and line arrays for touring, installation, and live events. Comparable to STH in target customers (live event producers, venues) and product category (loudspeaker systems for live and installed sound).
• Clair Global: Global live event audio production and rental company serving major international tours. Closely comparable to One Systems Global Production in business model (audio equipment rental plus full event production services for concerts and festivals).
• Production Resource Group (PRG): World's largest live event production company providing audio, lighting, and rigging for concerts, corporate events, and broadcasts. Direct competitor to STH's One Systems Global Production in the event services segment across multiple regions.
• Meyer Sound: US-based pro audio manufacturer of loudspeakers, subwoofers, and monitoring systems for tours, installations, and cinema. Comparable to STH's P.Audio and One Systems in the high-end pro audio manufacturing segment.
• Martin Audio: UK-based pro audio manufacturer specializing in touring PA, line arrays, and installed sound. Comparable in product range and customer base to STH's loudspeaker business, particularly for live event applications.
• Adamson Systems Engineering: Canadian pro audio manufacturer of line array systems and loudspeakers for touring and installation. Similar profile to STH as a privately-held pro audio manufacturer competing in the global touring and installed sound markets.
• Eastern Acoustic Works (EAW): Pro audio loudspeaker manufacturer serving live sound, installation, and commercial markets. Direct product overlap with STH's P.Audio and One Systems brands in PA systems, monitors, and fixed installation speakers.

Broad incumbents

• Harman Professional (JBL Professional): Global pro audio incumbent offering loudspeakers, amplifiers, mixers, and complete PA systems under JBL, Crown, and Soundcraft. A much larger competitor with broader product portfolio, but overlapping with STH in PA and loudspeaker categories.
• Bose Professional: Division of Bose Corporation providing pro audio solutions for venues, houses of worship, and live events. Overlaps with STH's fixed installation business and portable PA offerings as a broad incumbent with global brand reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries6 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 STH Holdings Co.