Please kindly noted that this item is sold by third-party sellers from Joybuy marketplace.Description Are you looking for a professional, yet affordable phantom power supply? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional phantom power supply must meet your needs. It is one of the best choices for you. Features -Color: Black -Material: plastic, stainless steel -Size: 10.00X8.50X5.50cm/3.93X3.34X2.16in - Adopt power boost isolation technology to effectively prevent ground wire signal interference. - Built-in low-pass filter circuit design, fully filter out the interference noise of external audio equipment. - start-up function to avoid the impact sound of "pop" when starting up. - Two sets of balanced power supply, balanced input and output signals, make the voltage balance and stable, and suppress common mode interference. - With USB 5V boost circuit low-voltage power supply technology to prevent harm to the human body, and solve the problem of unsuitability due to city voltage difference.