Audio connectors are used to affix cables to other audio equipment, providing electronic signal transference and grounding protection

Serial communication adapters provide one or more serial ports to a host computer.

Video, audio, and multimedia chips are IC chips designed for video, audio, and multimedia applications

Audio amplifiers and preamplifiers are units that amplify a sound signal, which is then sent to a speaker or another amplifier

Audio transformers are involved in the transmission of voice or sound signals.

Audio mixers and consoles are units that combine signals from microphones and/or line level sources to produce a combined signal or signals

Audio microphones are designed for sound reception and recording applications (speech and music