This BSS BLU-BIB break - in box is an 8 - channel input expander. Note that it doesn't come with a power supply. It's a great choice for signal expansion needs.

How to use: First, connect your devices to the 8 - channel inputs of the break - in box. Then, link it to your main system as required. Since it doesn't have a power supply, you need to ensure your system can provide the necessary power. Attention: Make sure to check the power compatibility between your system and the expander. When connecting cables, do it gently to avoid damage. Maintenance advice: Keep the break - in box in a dry and clean environment. Periodically check the connections to ensure they are secure.