dual operational amplifier with switch, for audio use (3 inputs × 1 output × 2) ER 14C 14#16 PIN PLUG dual operational amplifier with switch/ for audio use (3 inputs 1 output 2) dual operational amplifier with switch, for audio use (3 inputs 1 output 2) dual operational amplifier with switch, for audio use (3 inputs 】 1 output 】 2) Standard Linear LSIs > operational amplifier > operational amplifier with input multiplexer