Features: Indoor luxury column speaker adopts high-density wood structure. The voice is clear and bright.Simple installation mode. Applicable to schools, supermarkets, hotels, shopping malls, etc. Specification: Model T-302 Rated power 20W SPL(1W/1M) 91dB±3dB Impedance Black: Com Red: 500Ω Frequency response (-10dB) 80-20KHz Dimensions 135×120×420mm Speaker driver 4"×2 2.5"×1 Weight 3.4Kg