Meyer Sound Laboratories is an American company based in Berkeley, California, which manufactures self-powered speakers, multichannel control systems, electroacoustic architecture and sound analysis tools for professional sound amplification, fixed installation and audio recording. The company has been operating on the market since 1979. The company’s emphasis on research and measurement has resulted in the publication of dozens of patents, including the current shape of trapezoidal cabinets. Design, engineering and manufacturing management ensures that each paper cone, each circuit board, and each wire is handcrafted to meet an extremely demanding standard.