The Stihl 42830111603 BR 800 C-E Magnum is a powerful professional-grade backpack leaf blower, featuring a 79.9 cc STIHL 4-MIX® engine delivering 4.4 hp (3.2 kW). Designed for heavy-duty landscaping tasks, it offers exceptional air volume and velocity for efficient debris clearing, with a maximum air velocity of 106.96 m/s and an air volume of 1348.8 m³/min at the nozzle. Weighing 11.7 kg, this model is built for comfort and durability during extended use, with a fuel capacity of 1.7 liters. It operates with a sound pressure level of 78 dB(A) and a sound power level of 112 dB(A).