Multimedia Speaker, Speaker,2.1 Speaker, 1.Output Power ... unit:4"+3"*2 2.1 speaker, computer speaker, multimedia speaker, iphone speaker, USB speaker, MP3 speaker, mini speaker ... box, speaker system, subwoofer speaker,karaoker speaker.2.1 Multimedia Speaker Specification:Model No.:XC-8803.TDA2025*2 SubwooferSatelliteOutput power ... 8X320MM(WxHxD) 4kg6 sets in one Carton Certifications: Multimedia Speaker