| Brand | Ground Zero |
| Trade name | GZCM 6-4PPX |
| Pattern | round |
| Type | speakers 16 cm (from 150 mm to 170 mm) |
| Height | 82 mm |
| Type acoustic | woofer |
| Main speaker dimensions | 165 mm |
| Rated power (4 Ohm) | 150 |
| Maximum power | 400 W |
| Impedance | 4 Ohm |
| Sensitivity | 95 dB |
| Frequency range from | 150 Hz |
| Frequency range up to | 10000 Hz |
| Manufacturer | Germany |
| Warranty / Service | 12 months |
| Price per | pcs |