• 2.2 Watts Total RMS, 4 Watts Total Power Output • Pre-Amplified & Magnetically Shielded • 1 Watt RMS/ 2 Watts Power Output per channel • 40 x 22mm Full Range NdFeB Drivers • Frequency Response: 200Hz – 18KHz • Signal Input: 3.5mm Stereo Input • Power On/Off • Power Source: AC Adapter (DC 6V 400mA), Batteries (4 x AAA 1.5V ) • Accessories: 4AAA Batteries, DC-USB Cable • Unit Dimensions: W3.94”x H2.36”x D0.93 • UPC Code : 037152-991223