VERSION: BIO Environmental Audio
      CHANNEL: 4.1
      DRIVER: 4*3' Full-Frequency + 4'Subwoofer
      RMS:   15W*4+30W
      FREQUENCY: 65-20000Hz
      POWER: DC 24V
      INPUT: AUX / Bluetooth
      MATERIAL: GFRP/Wood/Metal
      SIZE:  580*440*400
      Weight: 6KG