Details：

Bridge support allows you to bridge your two-channel amplifier to a mono version. Use of the bridge function requires input from the left channel.

It is recommended to use DIY Baishi series power amplifier to join this input board, even if it is not balanced, it is recommended to use, and the improvement of sound quality is very good help, and it is strongly recommended that it must be installed.

Audio input: RCA and BAL
Audio output: RCA

PCB size: 250 X 59mm

If use it for 28B amplifier board，C7 C8 C23 C24 not need to install ！！

Note ：

Diy Kit ：all parts need buyer to solder it ！

Assembled Board：have solder it well ！