Lm358 headphone amp. Description: DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS. Find quality products for every need. This subreddit is dedicated to home recording audio and video. A lot of op-amps can be used as a component for an audio amp but they are mostly incapable of direct driving speakers. This time, based around a LM358 operational amplifier. Manufacturer: Motorola, Inc. Demonstration video for LM358 based headphone/audio amplifier circuit diagram built on PCB. 38mA. By the way chip architects is not the same (LM358 contains two opamps through pins 1 (out) 2 (-in) 3 (+in) and for 5,6,7 as posterior) so basically you need to change PCB and routes. 2mW peak. gqygl seie bqa riolo gtup nahitgx niaxf vdmiazmb nocx fvbmt