Edifier G2000 Gaming 2.0 Speakers System - Bluetooth V4.2/ USB Sound Card/ AUX Input/RGB 12 Light Effects/ 16W RMS Power 2.75-inch full-range unit with 16W RMS power output Column-shaped cabinet with backward mega bass port 12 light effects enhance the gaming experience Mechanical shift lever easy to control volume Music, Game, and Movie sound modes supported Bluetooth/USB sound card/AUX input available Dedicated power adapter for stable and safe power supply Subwoofer output interface included BASS UNIT 2 3/4 inch TOTAL POWER OUTPUT R/L 8W+8W MAXIMUM POWER 16W+16W FREQUENCY RESPONSE R/L: 98Hz-20KHz NOISE LEVEL ≤25dB(A)