Technical Pro MRS53U Active and Passive USB Studio Monitors (Pair) 30 Watts RMS 60 Watt Peak Power 3'' Tweeter/5'' Woofer Inputs: RCA, USB/SD & MP3 Outputs: Speaker Wire Frequency Response: 45Hz-20kHz Sensitivity: Dual 1/4'' microphone inputs Microphone volume & echo controls Volume, bass & treble controls Color: Mahogany