Electronics include components and connections for company-wide audio-visual systems, as well as portable items for use in Jobsite locations. Commercial stereo components include amplifiers, turntables, and stereo receivers, as well as racks for mounting and cables for connecting. Portable electronics include digital voice recorders for taking notes on the job site, shortwave radios for AM/FM connection, and wireless Bluetooth speakers for high-quality audio in various commercial and industrial environments.