2.1CH BT, FM, USB/SD, LED display, RC Output power: 15W+5Wx2 Frequency response: 40Hz-180Hz 150Hz-20KHz Speaker Unit: Subwoofer 4" Satellite 3"x2 Power: AC220-240V 50Hz/60Hz IC: 2025x2 ; EI: 48x25 Color: Black + Blue AV cable: 1 to 2 RCA (Lenght 1.2m)