1. HIGH GAIN: Mic preamplifier enhances your sound experience with balanced amplification circuitry with 6.5 single ended input gain of 22db and XLR balanced input gain of 27db, providing clean, transparent gain.<br> 2. 48V PHANTOM POWER: Mic preamp is compatible with a range of microphones, including compatible with SM7B, compatible with 55SH and other popular models. Comes with 48V phantom power compatible with use with both dynamic and condenser microphones.<br> 3. LOW NOISE: Microphone preamp features a , fully balanced circuit design that produces ultra low noise and clean sound, ensuring minimal noise and adding no coloration to your recordings.<br> 4. BLACK METAL CASE: Dynamic condenser microphone booster's black metal casing is not only rugged, but also low noise by effectively eliminating most EMC interference.<br> 5. COMPACT AND : Microphone preamplifier is compact and , making it easy to carry and store. Perfect compatible with home studios and professional studios, recording, podcasting and live streaming.<br> Microphone Preamp High Gain 48V Phantom Power XLR Output Mic Preamplifier compatible with Dynamic and Condenser Microphones Booster<br> Item Type: Microphone Preamp<br> Battery: Polymer Lithium Ion Battery (Built In) Capacity: 1000 MAh<br> Circuit: Balanced Amplification Circuit<br> Gain: 6.5mm Single Ended Input Gain 22db, XLR Balanced Input Gain 27db<br> Support: 48V Condenser Microphone, Dynamic Microphone<br> Working Time: Dynamic Microphone Can Be Used Continuously compatible with More Than 10 Hours, Condenser Microphone Can Be Used compatible with About 3-5 Hours When 48V Is Turned On (Different Microphones Percompatible withm Differently, Please Do Not Turn On The 48V Switch When Using Dynamic Microphone)<br> How to Use: Remove the product and connect it to the power supply<br> Color: Black<br> Material: Aluminum Alloy<br> Package Contents:<br> 1 * Microphone preamplifier<br> 1 * Audio cable<br> 1 * USB power cable<br> Only the above package content, other products are not included.<br> Note: Light