Zeus Hifonics High Definition X-Over 10W2 J 10W4 J Car Speaker

This is a car speaker amp attachment made by Zeus. 

The attachment is black and features a positive and negative input port, a positive and negative woofer output port, and four different tweeter output ports.

It measures about 5.25" wide from left to right, 3.75" tall from top to bottom without the wires, 16.5" with the wires, and 1.75" deep.

Cosmetically, the item comes in good pre-owned condition.  It has not been tested and is being sold as-is.