The remote volume control condenser handheld transmitter offers impact-resistant battery compartment holds 2 AA batteries. The unique multi-layered metal grille protects the capsule against impact, rolling and pop noise, ensuring clarity of sound. Premium condenser capsules exhibit high fidelity, wide dynamic range, fast transient responses, good feedback rejection, accurate sound image characteristics, transparent sound quality and withstand maximum SPL. Industry’s only digital master control can be adjusted manually or wirelessly via new ACT-32HR handheld transmitter microphone. (for MA-708 & MA-808 portables).