The latest model 2.1 speaker , computer speaker, Iphone speaker( FV2.1-2) Detailed Product Description The latest model 2.1 speaker , computer speaker 1, Frequency response: 40Hz---180KHz 2, Output power: 3W* 2 + 4W 3, Input : 450mV The latest model 2.1 speaker , Iphone speaker ( FV2.1-2) Connecting TV, computer, CD player and MP3 player etc. Signal-to-noise: e75dB Speaker unit: woofer 4inch, 6ohm ; satellites 3inch, 4ohm Frequency response: 40Hz--180Hz( woofer) Input sensitivity: 450mV With led light Output power: 3W 2+ 4W 3.5mm Aux input and output Power supply: AC220V( ± 10% ) 50Hz/ AC110V 60Hz optional Color: black with blue light Volume control and remote control Product size : 138* 610* 140MM Packing : Inner color box size : 678* 198* 200MM Master carton size : 698* 620* 419MM 6 sets / carton ; 27kgs / carton 20GP: 1152pcs 40GP: 2400pcs 40HC: 2720pcs Manna Su Manna# fevma.com ( # = @ ) 86+ 18925385060 QQ: 613785758 Skype: manna-fevma