1. Output power: 30W+15W*2 2. With usb/sd card read function 3. With remote control 4. With digital VFD display 5. Driver units: subwooofer 6.5inch*1, satellite 3inch*2. Packing size: 397*390*325mm color box G.W: about the 2.1 model is 6KG, 20 FT: about 560 sets 40FT: about 1160 sets 40HQ: about 1360 sets.
