Roth audio oli kh30
Subwoofer series roth oli power rating 200 watt principle active frequency response 40 500 hz sensitivity 88 dbmw impedance 4 ohm amplifier type digital design front firing subwoofer speaker enclosure closed number of subwoofers 1 speaker terminals banana jack ready analogue input analogue audio input rca weight 145 kg area of use home cinema installation options floor