18 SOUND 12 ND 930
| Brand | 18 SOUND |
| Template | 12ND930 |
| Code | 022128N220 |
| Type | Woofer |
| Power (W AES ) | 500 |
| Nominal impedance (Ω) | 8 |
| Sensitivity (dB SPL 1W / 1m) | 98 |
| Diameter (mm / in) | 300/12 |
| Coil Diameter (mm) | 75 |
| Weight kg) | 4.00 |
| Technologies | ISV (Interleaved Sandwich Voice Coil) | DDR (Double Demodulating Rings) |