Key benefits Builtin 150 mAh battery provides about 10 hours of continuous use after a full charge, enabling longer sessions without frequent recharging. Three headphone outputs can operate independently or in mixed mode, allowing real time monitoring for multiple listeners. 020 dB adjustable gain control gives precise microphone output levels for consistent sound quality. Power is supplied by DC 512 V, supporting versatile powering options. Main features Three output ports: independent or mixed output to drive headphones in real time Microphone input via 3.5 mm port: suitable for capacitive or inductive microphones Adjustable gain: 0 to 20 dB for accurate level control Battery powered operation: builtin 150 mAh for portable use DC power compatibility: 512 V input for reliable operation What makes it stand out Flexible monitoring with multiple headphone outputs for solo use, collaborative work, or shared sessions Precise gain control to match microphone output to your monitoring chain Simple, portable design with a selfcontained power option and straightforward 3.5 mm microphone compatibility Compatibility and setup considerations Three headphone outputs designed for direct headphone monitoring with real time feedback 3.5 mm microphone port supports capacitive or inductive microphones Operates from a DC supply in the 512 V range Builtin battery supports mobile or desk use without continuous external power Use scenarios Podcasting and interviews: connect three headphones to listen to independent or mixed headphone outputs, adjust gain to maintain clear voice levels, and monitor in real time. Live streaming or online meetings: multiple participants can monitor their own or the group mix, ensuring consistent audio during a session. Small band practice or field recording: portable, batterypowered setup with flexible microphone input and real time headphone monitoring for on the go recording or rehearsal.