Specification AudioInput : XLR Brand : Generic BulletPoint1 : SUITABLE MICROPHONE: Electret microphone amp input 3.5mm interface built in bias, can be connected to electret microphone head microphone or 3.5 interface capacitor microphone BulletPoint2 : POWER SUPPLY AND OPERATIONAL AMP: Adjustable gain electret microphone amp power supply is DC5‑12V, using the rail to rail operational amp MC33202 BulletPoint3 : ABOUT INTERFACE: Sound preamplifier output adopt 3.5mm interface, can be connected to other sound device microphone interface or auxiliary, LINE and other line input interface, can not be connected to headphones listening BulletPoint4 : OUTPUT PORTS: After the microphone and music are amplified, they can be output independently or mixed output. There are three output ports in total, and the mixed output port can directly drive headphones to listen BulletPoint5 : GAIN AND POWER SUPPLY: Condenser microphone amp amplification gain 0‑20db adjustable, built in 150mah capacity lithium battery, charging with mobile phone charger, once charging can be used continuously for more than 10 hours Color : Black CompatibleDevices : Personal Computer ConnectivityTechnology : USB ExternallyAssignedProductIdentifier : 4260149320636 ExternallyAssignedProductIdentifier1 : 7115835090324 ExternallyAssignedProductIdentifier2 : 0711583509032 ExternallyAssignedProductIdentifier3 : 711583509032 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment ItemName : Generic Microphone Amplifier,Electret Microphone Amp, Adjustable Gain 0-20db, XLR Output Mic Preamp, Aluminum ABS Audio Preamplifier Mixing Board, 3 Output Ports, for Condenser Microphones ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microphone-preamps Manufacturer : Generic ModelName : 500442915A2 ModelNumber : Genericbiao693gv0 NumberOfChannels : 2 NumberOfItems : 1 OperatingSystem1 : Windows OperatingSystem2 : macOS OperatingSystem3 : Linux PartNumber : Genericbiao693gv0 ProductDescription : 1. SUITABLE MICROPHONE: Electret microphone amp input 3.5mm interface built in bias, can be connected to electret microphone head microphone or 3.5 interface capacitor microphone 2. POWER SUPPLY AND OPERATIONAL AMP: Adjustable gain electret microphone amp power supply is DC5‑12V, using the rail to rail operational amp MC33202 3. ABOUT INTERFACE: Sound preamplifier output adopt 3.5mm interface, can be connected to other sound device microphone interface or auxiliary, LINE and other line input interface, can not be connected to headphones listening 4. OUTPUT PORTS: After the microphone and music are amplified, they can be output independently or mixed output. There are three output ports in total, and the mixed output port can directly drive headphones to listen 5. GAIN AND POWER SUPPLY: Condenser microphone amp amplification gain 0‑20db adjustable, built in 150mah capacity lithium battery, charging with mobile phone charger, once charging can be used continuously for more than 10 hours