1. 2 way car speaker.
2. Injection -molded polypropylene cone.
3. Butyl rubber rolled edge.
4. 4" coaxial.
1. 25mm heat-resistant V. coil. 2. Frequency response: 70-18khz. 3. 30mm TWT. 4. Nominal impedance 4 ohm. 5. Maximum music power: 100w. 6. Nominal power: 20w. 7. Sensitivity: 89db.