音频接口（Audio）

Audio (CN2)

RSB-4680 supports line-out stereo speakers, MIC in and speaker out. Earphones can be connected to the line-out pin header, and the microphone can be connected to the MIC in pin header. It also supports mono speaker. (2.8W 4Ω or 1.5W 8Ω) Detailed pin-definitions are below:

Pin	Pin  Name	Pin	Pin  Name
1	Line-out R+ (AMP_R+)	2	Line-out L+ (AMP_R-)
3	AMP_R-	4	AMP_L-
5	AMP_AGND	6	GND_AUDIO
7	MIC_IN1_P	8	MIC_IN1_N
9	MIC_IN3_P	10	MIC_IN3_N
11	SPEAKER_P	12	SPEAKER_N