020 dB adjustable gain control for precise mic output levels. powered by DC 512 V. Three output ports support independent or mixed output, enabling realtime headphone monitoring. 3.5 mm port compatible with capacitive or inductive microphones. Builtin 150 mAh battery provides up to about 10 hours of continuous use after a full charge. Use scenarios Podcasting or voiceover: finetune microphone gain to prevent distortion or noise, while using the three output options to monitor with headphones or route to other devices in real time. Live streaming or content creation: use independent or mixed outputs to monitor audio during broadcast, while maintaining reliable performance from battery power when AC power is unavailable. Field recording or mobile setups: the builtin battery allows portable operation, and the 3.5 mm microphone compatibility supports a range of mic types used in onsite recordings.