The DBX's Real-time analyzer microphone, RTA-M is a condenser microphone designed as the perfect accessory for the DriveRack PA series. The RTA-M is ideal for optimising the sound quality of even the most difficult acoustic environments when it is used in conjunction with the System Setup Wizard and Auto EQ Wizard. It features flat frequency response, super-accurate omnidirectional mic and requires 9-52V phantom power to operate.