Application range: K hokage, shade, shade coffee and private cinema, etc Specifications System type: subwoofer speakers Rated power(built-in frequency division): 400W/8 ohms AES The rated impedance: 8 ohms Frequency range:±3dB) 28Hz-260KHz Sensitivity: 98dB The mazimum sound pressure level: 127dB Driver: LF:15"x1 Product size(W*D*H): W500xH700xD365mm SuttleKg): 29Kg Configuration