The mic preamplifier supports common condenser and dynamic microphones. It features three output ports and a maximum amplification gain of 60dB. The adjustment range for treble, mid-range, and bass is ±15dB. Includes a low-cut switch at 80Hz to improve speech intelligibility and reduce low-frequency noise. Features an overload indicator light that illuminates when the input signal is too high; adjust the gain knob to a position where the light does not illuminate or only occasionally blinks for optimal performance. Powered by DC 5V–12V, compatible with power banks or mobile phone chargers. Use a high-quality charger to avoid AC noise. Color: Black. Material: Plastic. Type: 6.5mm. Package Contents: 1 x Main Unit, 1 x DC Cable, 1 x Male-to-Male Cable. The package includes only the items listed. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowance is ±1–3 cm.