2-inch full-range speaker Bass shock film 4 ohm 3W Full-frequency sound quality is very good, low-frequency also has a very good performance, cost is very high, high sensitivity, Suitable for DIY mini speaker / sound system. Power: 3W Impedance: 4 ohm Diameter: 52mm Diagonal screw mouth distance: 60mm Height: 26mm Magnet diameter: 45mm