Picture below. It's an old Pioneer S-W55 that I have lying around. I've seen passive subwoofer install guides before but those subwoofers all have a set of four inputs in the back. As you can see, the ...

**Allow two extra inches in depth for wire connectors and detachable power cable. **Includes feet. Feet can be removed for rack mount use. Unit is approximately "two rack units" high. Today’s modern ...