Features  - 2.75 inch full-range unit with 16W RMS power output  - Column-shaped cabinet with backward mega bass port   - 12 light effects enhance gaming experience  - Mechanical shift lever easy to control volume  - Music, Game and Movie sound mode supported  - Bluetooth/USB sound card/AUX input available  - Dedicated power adapter for stable and safety power supply Specifications - Bass unit :2 3/4 inch  - Power output  :R/L:8W+8W - Frequency response :R/L: 98Hz-0HZ - Noise level  : 25DB(A)