Features 1、[Microphone Preamp] Features 3.5mm, 6.5mm, and XLR inputs, compatible with various microphones including dynamic mics, 48V condenser mics (effective only with XLR interface). 2、[Balanced Output] The microphone preamp features 3.5mm, 6.5mm, and XLR outputs, supporting balanced output and input for different devices. 3、[Power Supply] The microphone preamp operates on DC5 to 12V power interface, can be powered by a power bank or mobile charger, and built in 48V phantom power. 4、[Flexible Adjustment] Supports LOW, MID, HIGH tone adjustment, gain adjustment, and level volume adjustment, adjust to the suitable position based on the situation. 5、[Multiple Applications] Suitable for home studios, live performances, broadcasting environments, and various music devices such as sound cards, speakers with microphone inputs, mixers, and more. Specification Item Type: Microphone Preamp Material: Aluminum Alloy Amplification Gain: 60db High Middle Low Tone Adjustment Range: ±15db Frequency Response: 20HZ-20KHZ Power Consumption: About 0.6W Interfaces and Knobs Description: 1. MIC IN microphone input interface, 3.5mm, 6.5mm, XLR interfaces; 2. MIC OUT microphone output interface, 3.5mm, 6.5mm, XLR interfaces; 3. POWER power switch; 4. Power supply interface, DC 5V-12V, randomly equipped with USB to DC cable, can be powered by power bank or smartphone charger, please note that the power supply must be clean, poor power supply may result in AC noise; 5. 48V phantom power switch, note that only professional XLR interface capacitor microphones need to be turned on, dynamic and ordinary handheld capacitor microphones should not turn on the 48V switch; 6. LOW low tone, MID middle tone, HIGH high tone, adjustment knobs; Adjustment range ±15db; 7. GAIN gain adjustment, adjust to the appropriate position according to the type of microphone; 8. LEVE output level volume adjustment, adjust to the suitable position based on the situation. Package List 1 x Microphone Preamp 1 x XLR Cable 1 x Data Cable