PSC Universal Microphone Power SupplyThe Professional Sound Corporation Universal Microphone Power Supply is designed to fulfill all of your microphone powering needs. It is capable of powering both 12 T (AB) microphones and 48PH phantom powered microphones, thus eliminating the redundancy of owning specialized power supplies. Included in the design is a three-way switchable high pass filter (0dB, -6dB, -12dB @100Hz) and a three-way swtichable pad (odB, 10dB, -20dB). A built in LED indicates battery condition upon power up ensuring trouble free field recording. The PSC Universal Microphone Power Supply contains and internal T power phase switch, allowing this power supply to be used with both Standard and Red Dot microphones.The PSC Universal Microphone Power Supply operates from an easily accessible, 9V alkaline battery and provides over 20 hours of use with most microphones. The design also includes a rugged aircraft aluminum housing, powder coat finish, Neutrik connectors, and environmentally sealed NKK switches.Specification:Size: 3.0 in. x 38 in x 1.5 in. (7.6cm x 10cm x 3.8 cm)Weight: 1 lb. (450 gm)Output Voltage: +12, +48 +/-5%SN Ratio: >115dB A WdBattery:1x 9VFinish: Powder CoatCase: AluminumWarranty: 1 Year, Limited