This is a mini-XLR 3-pin male solder connector.  It is meant to be terminated onto audio cable.
| Physical Characteristics | 
|---|
| Color | Black | 
| Pin Plating | Gold | 
| Connector(s) | 
|---|
| Connector | Mini-XLR 3-pin Male Connector | 
| Packaging Information | 
|---|
| Package Quantity | 1 | 
| Product Weight | 0.25 lbs | 
| Contents | 
|---|
| Included in Package | 1  Connector |