Compared with MA-3, MA-3P built-in 3.7V lithium battery, allows you to connect dynamic/passive ribbon mic(mic without 48V power supply) and also connect to 48V phantom power supply condenser mic.

Comes with USB cable, powered by computer directly, phone charger, bank charger both ok. 600mAh large lithium battery, 8 hours long time performance brings you outstanding performance. 

MA-3P connects to audio interface, console etc devices also connects to active speaker. No matter indoor singing or outside performance you can enjoy the music freely. 

High quality alum housing, sturdy and durable. Flexible appearance combines 319g lightweight allowing it apply in most occasions. 

MA-3P brings you 12dB or 25dB 2-level gain adjustment. We also use +25dB gain. 

MA-3P adds a adjustable gain function to match different mics helping mic in a ideal status. Meanwhile, via adjusts impedance let each mic get a wider range sound. 

MA-3P impedance and HPF changing allows you get more sound quality. 

It adopts JEFT amp circuit ensures components stable performance. Amp the input signal with low noise, low sound distortion and coloration provides original sound output. 

You just connect mic to INPUT and audio interface/console etc to OUTPUT, if you need 48v please turn on, then you can use it.