Brand new never used.  Tested fully functional.

Tang Band (TB) W4-616S full-range speaker driver. 

Key features and information about this speaker driver: 

• Manufacturer: Tang Band (TB) Speaker.

• Model: W4-616S.

• Type: Full-range speaker driver, meaning it is designed to reproduce a wide range of audio frequencies from a single driver.

• Size: 4 inches.

• Impedance: 8 ohms.