HEAVY-DUTY WOOD CONSTRUCTION VOLUME, BASS & TREBLE CONTROLS 1/4'' PHONE JACK INPUT 1/4'' HEADPHONE JACK AC 110/220 VOLTAGESWITCHABLE 20W RMS/150W PEAK 5.25'' HIGH-DEFINITION SPEAKER DIM: 9.5''H X 8.65''W X 4.75''D WEIGHT: 6.5LBS