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// Audio Connectors

RCA Audio Pair (Stereo)

RCA phono connectors carry unbalanced analog stereo audio: white for left channel, red for right channel. The standard consumer audio interconnect for amplifiers, AV receivers, CD players, and turntables.

// Specifications
Standard
Consumer electronics standard
Connectors
2 x RCA (White=L, Red=R)
Signal
Unbalanced analog stereo
Level
Line level: 0.5–2V RMS (consumer)
Impedance
Typically 10k ohm input
Use Case
CD players, receivers, turntables, subwoofers
// Pin Reference Table
Pin Name Function Type
L Left Center Pin Left audio channel signal ADC
L-S Left Outer Shell Left channel ground / shield GND
R Right Center Pin Right audio channel signal ADC
R-S Right Outer Shell Right channel ground / shield GND