| Nominal diameter | 21"/534mm |
| Magnet type | Ferrite |
| Impedance | 8Ω |
| AES Power | 2500 W |
| Power rating | 5000 W |
| Sensitivity | 97dB |
| Frequency range | 30-1000 Hz |
| Maqnet Size | 330mmX4 |
| Voice coil diametel | 178mm/7 inch |
| Coil material | PISVW |
| Number of layers | 2L(Inside/Outside) |
| X-max | 18mm |
| Fs | 30 HZ |
| Qts | 0.45 |
| VAS | 211 L |
| Bl | 36.5 Tm |
| Net Weight | 49 kg/pc |
地址 : 浙江省慈溪市掌起镇环城西路24号
E-mail : l.t.ele.william88@hotmail.com 
whatsapp : +86-18671237196 
Tel : 0574-23678828
