The APS910* is a professional phantom power adapter designed to convert 9-52 volts of phantom power to 2.5 volt electrets microphones with an internal impedance converter and internal load. It’s supplied with a wide range of Audix electrets condenser microphones. Features include immunity from RF, low noise circuitry, gold plated input and output connectors, RoHS compliant. The APS910 is manufactured with a precision die cast zinc alloy, durable black E-coat finish and gold plated XLR connectors.