We are committed to creating better solutions and products that help people to enjoy the audio they love.
Leader in professional audio components and systems
STH Professional Audio is a leading manufacturer of professional audio loudspeakers and components. Our team has over 30 years of expertise in offering fully integrated audio product solutions, ranging from components to comprehensive audio systems.
Our business is well-established with distribution channels and customer in over 20 countries, including India, USA, Thailand, Hong Kong, Italy, and more.
Since 1991 and 2006, both P.Audio and One Systems has been one of the largest and most reliable professional loudspeaker transducers and all-weather speaker systems manufacturers. We develop and design professional audio components and systems to entertain the world in the fix install and live music industry under the name of P.Audio and One Systems.
Mr. Howard Chen
Managing Director, STH Professional Audio
Upcoming Events
Great opportunity to meet us and discover our speakers and driver units.
Newsroom
P.Audio Makes Its Guangzhou Debut at ProLight+Sound Guangzhou 2026, Unlocking New Opportunities for the China Market
Bangkok, Thailand – P.Audio marked a significant milestone by participating for the first time in ProLight+Sound Guangzhou 2026, held from May 28–31, 2026, at Area A & B, China Import and Export Fair Complex, Guangzhou, China. The four-day event provided
P.Audio Returns to Palm Expo 2026 with New BMA and ED Series, Expanding Its Reach Across Market Segments
Bangkok, Thailand – STH Professional Audio Co., Ltd., the managing company behind the professional loudspeaker brand P.Audio, reaffirmed its strong presence in the global professional audio industry at Palm Expo 2026, held from May 28–30, 2026, at the Bombay Exhibition
One Systems Returns to ISE 2026, Strengthening Global Presence in Weather-Resistant Audio Market
Bangkok, Thailand – One Systems exhibited at ISE 2026, Europe’s premier integrated systems event, showcasing its comprehensive range of weather-resistant speaker systems designed specifically for permanent installations. The company presented at booth 8E280 in Barcelona, presenting its signature direct weather