| Nominal diameter | 21"/534mm |
| Magnet type | Ferrite |
| Impedance | 8Ω |
| AES Power | 2000 W |
| Power rating | 4000 W |
| Sensitivity | 96.5dB |
| Frequency range | 36-1000 Hz |
| Maqnet Size | 253mmX30 |
| Voice coil diametel | 115mm/4.5 inch |
| Coil material | PISV-W |
| Number of layers | 2L(Inside/Outside) |
| X-max | 14mm |
| Fs | 36 HZ |
| Qts | 0.47 |
| VAS | 237 L |
| Bl | 28.8 Tm |
| Net Weight | 17.5 kg/pc |