| Model | BM-12 | BM-15 | BM-215 | BM-18 |
| TYPE | 2-Way full -range | 2-Way full -range | 2-way full -range | single Subwoofer |
| Frequency Response (±3dB) | 46Hz -20KHz | 15Hz -20KHz | 46Hz -20KHz | 40Hz -156Hz |
| Rated power | 300w | 400w | 800w | 400w |
| Sensitivity(1w/1m) | 99dB | 99dB | 100dB | 98dB |
| Max.SPL (1m) | 130dB | 130dB | 130dB | 130dB |
| Construction | 15mm MDF | 15mm MDF | 15mm MDF | 18MDF |
| Finished | black paint | black paint | black paint | black paint |
| Impedance | 8Ω | 8Ω | 8Ω | 4Ω |
| Weight (kg) | 15kg | 23.5kg | 41kg | 27kg |
| Dimensions | 383x385x600 | 430x435x685 | 430x435x1070 | 540x515x640 |
