Lnfxkvva Phantom Power Supply 48V 12V Switch Rechargeable Portable for Condenser Microphones Mic Preamp Record Studio

[Low noise ]The device's well-trimmed electrical and precision resistors meet the most demanding digital requirements and provide transparent and noisy operation. [Rechargeable battery]Built-in 2200mA rechargeable battery frees you from power cords and avoids ground loop issues [12V or 48V phantom power] It's important to always have the right condenser microphone. With phantom power, you can have perfect sound and noise-free performance. [Up to 40 hours of battery life] 14 to 40 hours of battery life, enough to get you through a show [Low battery indication] When the battery is low, a flashing LED lets you know that no more than 10% power remains.