Dimension
Long 65mmx wide 40mmx 25mm high
Features
The circuit is simple,safe and reliable.
Operating voltage AC 12-16V, suggest to use an independent power supply for it.(Cannot supply a set of power supply with the power amplifier)
Sampling delay of 3-5 seconds of 1.2V DC Sampling( 3-5 seconds delay).

Package included
1 x Speaker protection board DIY Components kit for Stereo

This products include all components and PCB as the picture shows. but NOT assembled.