The Pyle PMX802M is a professional mixer with 8-channel balanced microphone and line inputs, allowing you to mix and control audio signals for various applications. It features treble, bass, and reverb level controls on each channel, enabling you to adjust the sound to your liking. The mixer supports USB and SD memory card playback, allowing you to play MP3 and WMA music files directly from your storage devices. It also includes a 5-band graphic equalizer for precise frequency adjustments and a built-in reverb effect for adding depth and ambiance to your mix.