QP xxx SCM, Series, rigid film boom with low weight.. The QP series are film booms that are stiffer to be able to be maneuvered more precisely even if they are extended far. With only 4 segments, the weight is still low. The locking rings are wide and made of aircraft aluminum. The locking is designed so that they function smoothly even at low temperatures. As standard they are supplied with internal straight mono cable and 3 pin XLR connectors. Other cable combinations are available.