Harmonic Design Audiotechnik GmbH

Contact details

  • Bahnhofstraße 1
  • 71711 Steinheim
  • Germany

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About Us

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Made & Engineered In Germany

Harmonic Design products are designed, developed and manufactured in South Germany, Steinheim an der Murr. Regional specialist suppliers from Germany deliver premium and durable components and devices to fulfill our strict quality requirements. As a result, we guarantee exceptional high quality and reliability of our products.


Over 35 Years Of Experience

Since its foundation in 1980, Harmonic Design stands for research, development and manufacturing of cutting-edge loudspeaker systems and acoustic services. We did already think in systems and established the usage of system controllers (analog at that time) in 1988. In the early 90s, the cutting-edge computer aided measurement system “MLSSA” was introduced and raised the loudspeaker system research and development to a new level. The first digital signal processor followed in 1994 with pioneering filter capabilities. In recent years, we were game-changing with technologies like GroupDelayCorrection or PowerSound.


Ultimate System Conception

Harmonic Design active systems are composed of loudspeaker system, digital system controller and amplifier. The components are linked together and provide an ease of use, superb sound reproduction and enormous reliability. Each mid/high loudspeaker system is interchangeable to achieve the best performance depending on requirements and application.


Audiophile Top Performance

Harmonic Design loudspeaker systems are well known for their neutral and linear sound reproduction. The loudspeaker components are investigated with latest measurement techniques and methods to improve even the minutest details. The linearity does not only mean a flat frequency response, but also impulse accuracy, precisely graduated tonal depth and minimal distortion.

Range of services

Take me directly to Our products

Harmonic Design offers products with practical orientation that operate with their specifications, their sound pattern and quality in the audiophile upper class. Our products serve the professional engineer, musician, DJ, operator or rental company as a tool to support their performance. The handling and look is decent and minimal that the sound system get invisible and contact to the audience and the performance itself is the centre of attention. We want to support you with your applications and provide you not only sophisticated products but also a personal point of contact for questions, advice and support. Feel free to contact us!

Our Portfolio covers:


  • Universalloudspeaker: hd 181, hd 281

  • Multi Purpose Loudspeaker: hd MP12, hd MP15

  • Compact LineArray hd No3

  • Touring LineArray hd No5

  • Subwoofer: hd Sub12, hd Sub15, hd Sub18

  • active System Subwoofer: hd P12stereo, hd P15, hd P18

  • SourroundCinema Sticks: hd C2, hd C4, hd C8

  • PointSource Sticks: hd M2, hd M4, hd M8

  • LineSource Sticks: hd ML16, hd ML24

  • PowerLine Stick hd PL16

  • DSP Installationsamplifier hd Qi5004, hd Qi5003, hd Qi5002, hd Qi 5050

  • Low-Profile Monitor hd 281M



hd PL16/P18-PA1 PowerLine Stick System

The hd PL-Series extends the Harmonic Design LineArray Stick portfolio with a more powerful...

Harmonic Design Audiotechnik GmbH Bahnhofstraße 1 71711 Steinheim Germany +49 7144 8879690 sales@harmonic-design.com

Exhibitor at the following trade fair

Prolight+Sound 2017

04.04.2017 - 07.04.2017 Hall: 3.1 Stand: D 04

04.04.2017 - 07.04.2017 Hall: F01.0 Stand: A 13