H3+H8+H515 Home Theater System     H3 Features: ▼ The speaker adopts full frequency SPK and Ndfeb internal magnetic design, with built-in short circuit ring to reduce distortion and improve medium and high frequency, cloth edge + paper basin, to show the voice transparent and sweet. ▼ The box is made of ABS plastic box, sprayed with matte paint process, designed with open-type inverted air duct, with a small figure and great energy.     Technical Parameters: Model H3 H3C The speaker type 3 "full frequency speaker Double 3 "full frequency speaker Frequency response（±3 dB） 120Hz-20KHz 100Hz-20KHz Driver element 3" internal magnetic full frequency unit Double 3" internal magnetic full frequency unit Sensitivity   90dB 92dB SPL CONT 98dB 100dB Rated Impedance 8Ω 8Ω Rated Power  15W 30W Weight 0.42KG 0.76KG Dimensions 89.7*112*110mm 210*112*89.7mm         H8 Features: ▼The subwoofer is made with high strength wooden box, high-end PVC veneer process. ▼8 inch woofer unit, long stroke, high power, aerospace magnet +loose press paper basin +rubber edge. ▼Case is upside down with sink design, round-back with inverted hole, with lower dive, better penetration, Subwoofer is strong.     Technical Parameters: Model H8 The speaker type 8’’ passive subwoofer Frequency response（±3 dB） 33Hz-350Hz Driver element 8" subwoofer Sensitivity   86dB SPL CONT 103dB Rated Impedance 4Ω Weight 7.74KG Dimensions 290*315*350mm