... speaker,Speaker System, Active Speaker,Professional Speaker,bluetooth speaker,wireless speaker,vibration speaker,ipod speaker, iphone speaker,speaker stand,moblie ... class bass output. 2.1 Channel SoundIncluded 2 Satellite Speakers to Handle higher frequency and 1 Sub-woofer for ... of Bass. Item NO: YMA002 2.1 CH wireless speakerMaterial: WoodenPower: 50W Speakers Unit: 3"Midrangex2PC+4"Impedance:4Ω S/N ...