| Maximum Watt/Seconds |
Power Pack: 2400 Each Flash Head: 2500 |
| Guide Number | 320 @ 10', ISO 100, no reflector |
| Recycle Time | Minimum power: 0.6 sec, Maximum power: 2.6 sec |
| Flash Duration | t 0.5: 1/4800 sec @ min power, 1/800 sec @ 2400 w/s |
| Head Outlets | 4 |
| Flash Ready Indicator | LED, audible |
| Built-in Slave Cell | 32 channel Pocket Wizard Radio, switchable infrared, optical |
| Circuit Protection | Yes |
| Fan Cooled | Power Pack: Yes, Flash Heads: Yes |
| User Replaceable Flashtube | Yes (FQ5UV) |
| Changeable Reflector | Yes, Norman series 900 Reflectors |
| Cable Length | 20' (6M) |
| Modeling Light Wattage | 250W (GBESS), switchable |
| Protective Glass Dome | Yes |
| Dimensions |
Power Pack: 11.5 x 7.5 x 10.25" (29.2 x 19 x 26cm) Each Flash Head: 6.5 x 4.5 x 7" (16.5 x 11.4 x 17.7 cm) |
| Weight | Pack: 18 lbs (8.2 kg), Head: 1.8 lbs (.82 kg) |
| Kit Weight | 29.4 lbs (13.3 kg) |