Pre / power amplifier and motor governor for 3V headphone stereos(前置/功率放大器和电机管理) 功率放大器和3V的耳机音响电机省长(前功率放大器和电机管理 From old datasheet system Audio LSIs > Headphone stereo amplifier > Prepower governer for headphone stereo
Audio LSIs > Headphone stereo amplifier > Recording IC for headhone stereo Recording amplifier with built-in ALC for headphone stereos From old datasheet system