USB audio and powerBluetooth 5.33.5 mm AUX input4-pole headphone port3-pole microphone portTotal System Power: Up to 15W RMS2Peak Power: Up to 30WTotal System Power: Up to 30W RMS3Peak Power: Up to 60W2.75and#8243; Full-range Speaker Drivers with 3.5and#8243; Subwoofer + Dual Passive Radiators