Analog cables:
The first generation of audio cables is designed for analog signals. An analog signal expresses information that is transported by a continuous waveform analogous to the information. If the information is a 1000 hertz sine wave, the analog signal is a voltage that varies between positive and negative 1000 times per second in a sine wave-shaped pattern. If we use this electrical signal to move a speaker funnel in the same rhythm, we can hear the sound of the speaker.
Interconnect cable:
A cable that connects two consumer electronics devices to each other. Interconnect cables, unlike speaker cables, carry a signal with low current and relatively low voltage, so it is important to protect them from interference.
Stereo connector:
A type of connector for transmitting a two-channel stereo analog audio signal. The most common method of sound transmission of various equipment at the moment, which is most often transmitted through a pair of cables with an RCA connector. On portable equipment, the so-called "Jack" connector is also often used.
Symmetrical signal transmission:
A sound transmission system in which two sound signals that change exactly in counterphase to each other are transmitted simultaneously. For its transmission, three wire conductors (two conductors and one zero-point) and the so-called "XLR" connector are used. It can be found mainly on professional or high-quality home systems. It is mechanically more resistant and protected against noise and environmental disturbances than an asymmetrical signal cable with RCA connector.