4 2013-02-13 www.fritzing.org The STA540 is a 4-channel, class AB audio amplifier designed for high quality sound applications. STA540 STA540 MULTIWATT15_YB324GHEATSINK W_YB324G_HEATSINK multiwatt15_yb324gheatsink sparkfun Audio Amplifier w_yb324g_heatsink DIAG

IN1

IN2

IN3

IN4

OUT1

OUT2

OUT3

OUT4

P-GND

S-GND

STBY

SVR

VCC1

VCC2