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Harmonic Design

Audio Effetti has selected Harmonic Design as a top brand specializing in the offering of high-tech products in the professional audio field.

Harmonic Design is a family-run German company, with over then forty years of innovation behind it, specialized in the development, production and sale of loudspeakers for numerous professional applications and areas of use.

Founded in 1980, with headquarters in Neckarwestheim, Germany, the company stands out for the quality and innovation of its products, addressing rental companies of professional PA systems, installers, service providers, musicians and all companies related to the world of pro-audio that require sound reinforcement systems of the highest quality.

Harmonic Design is committed to providing products that inspire and satisfy the needs of its customers. Total control over the production cycle allows it to offer a very high level of customization. Significant research and development areas have led to innovations such as the range of PA speakers with FRP (glass-fiber reinforced plastic) horns on all speakers, one of the first DSPs based on FIR filters for system linearization and environmental acoustic optimization and hd beamforming technology (which combines the advantages of Point Source emission with that of Line Source) for its column speakers, a step further than the simpler beam steering.

Harmonic Design loudspeakers are used in the sound reinforcement of airports, train stations, stadiums, convention centers, bars and restaurants, hotels and resorts, theme parks, shopping centers and shops, museums, theaters, places of worship, as well as corporate, conference and education environments.

11 September 2025

Beamforming refers to a “beam-shaping” technique based on digital signal processing that allows p...

02 September 2025

In the latest video on our Audio Effetti Stream YouTube channel, product specialist Roberto Scion...

07 July 2025

A Harmonic Design audio system acoustically enhanced Piazza Santa Maria Maggiore, ensuring flawle...

04 June 2025

In the latest video on our YouTube channel Audio Effetti Stream, our product specialist Roberto S...

15 May 2025

As summer approaches, the squares of Italy’s major cities are transformed into open-air stages, r...

16 April 2025

In the latest video on our YouTube channel, Audio Effetti Stream, product specialist Roberto Scio...

Products


Harmonic Design

900109 - Plate with speakON NL4 for hd C- / M- / ML-...

€ 35,62

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Harmonic Design

C5CX - 190 W passive commercial stick, 4 x 3" LF +...

€ 628,10

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Harmonic Design

PL12 - 450 W passive PowerLine stick, 12 x 3", 80°...

€ 1.888,40

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Harmonic Design

900851B - Wall bracket K&M 24471 for hd C- / M- /...

€ 121,80

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Harmonic Design

900858 - Mounting plate for K&M 19780 with thread...

€ 54,36

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Harmonic Design

900870 - Stand for horizontal placement of the hd...

€ 148,10

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Harmonic Design

P12st - 400 W RMS active subwoofer, 12" driver, Class-D...

€ 2.412,90

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Harmonic Design

Sub12 - 400 W compact passive subwoofer, 1 x 12" driver,...

€ 1.215,60

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Harmonic Design

Sub15 - 1000 W compact passive subwoofer, 1 x 15"...

€ 2.370,90

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Harmonic Design

30110 - Transport cover for hd Infra218, polyester,...

€ 271,80

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Harmonic Design

P15 - 1000 W RMS active subwoofer, 15" driver, Class-D...

€ 4.748,80

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Harmonic Design

SilentWheel - Silent wheel set for hd Sub-Series,...

€ 206,20

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Harmonic Design

HLS20 - 1200 W HybridLineSource loudspeaker, 2 x 10"...

€ 6.147,60

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Harmonic Design

MIX+MATCH3000 - MIX+MATCH3000 - combination of PLB...

€ 571,70

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Harmonic Design

MP15N - 90° x 60° - 600 W multi-purpose passive loudspeaker,...

€ 3.007,40

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