Features: Rockville PSP5 Universal 48V Phantom Power Supply for Condenser Microphones. Supplies 48V of phantom power for condenser microphones. Ultra-Low Noise. High Quality Audio Performance With Full Frequency Response. DC 12V Adapter Included. 1 XLR Input and 1 XLR Output (Balanced). Easy to Connect to Microphones and Mixers. Strong Aluminum Housing. Product Dimensions: 3.9"" x 3.5"" x 1.6 inches. Product Weight: 0.88 Lbs.