2 certified models
KOSS office machines
Every KOSS machine in the register, by category. Figures are from ENERGY STAR certification records for models listed for the US market.
2 models
KOSS UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Axcell AX-3KWR | 3,000 VA / 2,700 W | Double Conversion | 92.0% | 12 min |
| Maxtron II MX-10KR | 10 kVA / 10 kW | Double Conversion | 94.8% | 10 min |