PYLE Audio PT710 is a Professional Lecture Sound Provider with a variety of capabilities for audio input and output, making it suitable for use in various professional audio applications. With three XLR Mic Input jacks and three Line Input jacks, the PT710 allows for the connection of multiple audio sources, such as microphones, instruments, and line-level devices. The device also features a 5-Dot LED VU Meter, Master Volume control, and individual volume controls for each input channel, providing precise control over the audio mix.