Features: +48V phantom power supply for condenser microphone, reliable and stable. With balance XLR input & output jacks to connect in-line with your mic and mixer. With on-off switch and LED indicator for easy and safe operation. Compact size and full metal shell, portable and durable. Note: Phantom power does not enhance the microphone sound quality and improve its volume. Specifications: Color: Black Material: Metal Power Supply: DC 48V Power Adapter: input--110V(US)/ 220V(EU/UK) 50/60Hz, output--48V Item Size: 10 * 9 * 4.5cm/ 3.9 * 3.5 * 1.8in Item Weight: 200g / 7.1oz Package Size: 23.5 * 16 * 8cm / 9.3 * 6.3 * 3.1in Package Weight: 440g / 15.5oz Note: The microphone, mixer and connection cable showed in the pictures are not included. Package List: 1 * Phantom Power 1 * Power Adapter