Harmonic Design

Since its founding in 1980, Harmonic Design® (called hd) has stood for the development, production and sale of innovative loudspeaker systems and acoustic services. Our customers are musicians, professional PA systems rental companies, installation companies, hi-fi companies and industrial companies.


hd Collaboration-Solution

All-In-One Solution

hd Sub-Series

High Performance Subwoofer

hd P-Series

Active System Subwoofer

hd C-Series

Commercial Stick

hd M-Series

PointSource Stick

hd ML-Series

LineSource Stick

hd PL-Series

PowerLine Stick

hd Beam-Series

Beamforming Stick

hd x81-Series

Universal Loudspeaker

hd CXN-Series

Nearfield Loudspeaker

hd MP-Series

Multi-Purpose Loudspeaker

hd No3-Series

Compact LineArray

hd LSA-Series

LineSource Array

hd HLS-Series