18 INCHES ACTIVE SUBWOOFERDSP PROCESSORPOWER RMS 800WPOWER MUSIC 1600WMAX PEAK 3200WIMPEDANCE 8 OHMFREQUENCY RESPONSE 45HZ – 200HZSENSITIVITY 1W/KHZ 97DB SPLDIMENSION 84.5X70X61CMNET WEIGHT 42.5KG