The mic preamplifier supports standard condenser and dynamic microphones. It features three output ports with a maximum amplification gain of 60dB. The treble, mid-range, and bass adjustment range is ±15dB. Includes a low-cut switch at 80Hz to improve speech intelligibility and reduce microphone rumble. 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. Product does not include additional items not listed. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: ±1–3 cm.