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 that attenuates signals below 80Hz to improve speech clarity and reduce microphone pops. 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 ocnally 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. Connector type: 3.5mm/6.5mm. Package includes: 1 x main unit, 1 x DC cable, 1 x male-to-male cable. No other items included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.