This is a HiWave HIBM Series 30W Round Speaker Driver. Its part number is HIBM65C20F-4. Extremely versatile, the HIBM series of Balanced Mode Radiators are ideal for applications such as: flat TV speakers, sound bars, home theatre systems, docking stations, table radios, computer speakers, wireless speakers and Hi-Fi systems.

Specifications:

• Nominal Rated Power: 30W
• Impedance: 4
• Frequency Type: Full Range
• Driver Shape: Round
• Frequency Response: 70 Hz 20 kHz
• Weight: 685g
• Maximum Rated Power: 160W