Purpose: Audio frequency amplifier applications.

用途：用于音频放大。

youdao

Purpose: Audio frequency amplifier, driver stage amplifier applications.

用途：用于音频一般放大，驱动级放大。

youdao

Purpose: Audio frequency amplifier, driver stage amplifier applications.

用途：用于音频一般放大，驱动级放大。

youdao