The PDM-D301 3-channel USB mixer sound card is unique because it's features cannot be found in any other device of it's size. The BT-receiver in the mixer will provide wireless audio streaming to the mixer. The mixer contains 1 mono and 1 stereo input channel with both a 2-way equalizer for the high and low controls. Further the mixer has tupe inputs assignable to the main mix. The build-in USB sound card provides also the power for the mixer.