HEATKEYS

World leader in the development of professional audio gear... straight outta Woodinville, WA, USA, y

Community Professional Loudspeakers has been a leading supplier of professional sound systems since 1968. Headquartered in Chester, Pennsylvania, Community distributes its products worldwide in over fifty countries.

PSB Speakers - In-Room Speakers, In-Wall Speakers, In-Cabinet Speakers and Subwoofers. Performance Loudspeakers for audio and home theater speaker systems.

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Design and consultation in electro-acoustics. Fundamental concepts of sound reproduction in rooms. Detailed design information for DIY construction of a subwoofer and an open-baffle speaker with exceptional fidelity. Dipole loudspeaker design for tru...

Thiel Audio designs and builds high performance loudspeakers for home music and home theater sound systems

SLS Audio Ribbon Driver Loudspeakers

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...