Triad-Orbit O2x Dual Orbital Boom System (with Long And Short Arms)Orbit 2X dual orbital boom system extends the utility of the original O2 dual orbital boom with the addition of detachable arms via IO Quick Change Couplers. Four IO A telescopic boom arms are included (2 short arms, 2 long arms), allowing users to custom configure a dual boom to adapt to a multitude of tasks in seconds. The exclusive IO Quick Change Coupler is standard equipment on all ORBIT 2 Booms. IO effortlessly captures booms and mics with ease