Dynamic mic preamp for recording with 1 channel XLR !<br> Audiophile-grade operational amplifier, balanced amplifier circuit composed of NE5532.<br> This machine is suitable for audio signal mission amplification, and can also be used as a high-fidelity dynamic microphone amplifier.<br> Input interface: XLR female, impedance 10K;<br> Output interface: XLR male, impedance 100 ohms;<br> Gain: unbalanced 20db, balanced 26db;<br> Working voltage: between DC5V-12V;<br> Power consumption: 0.5W;<br> Working frequency: 20HZ-20KHZ<br> Colour:Black<br> Material:Metal<br> Package Contents:<br> 1 x XLR balanced amplifier<br> 1 x USB power cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.