B&H has put together this ARRI M8 HMI 2.5/4K Kit with Ballast for productions that need a great deal of light to punch through a silk or bounce light off a reflective surface, backed with a ballast with 1000 Hz high-speed filming capability. The kit includes the 9" M8 MHI head with bright lens-less MAX technology, a 50' head-to-ballast cable and an 575/800 High Speed Ballast with ALF and DMX. Four-Way barndoors are also included.