This is a JVC SP-THG50W passive subwoofer. from Dubai Brand New Condition මිල ගණන් සකච්ඡා කර ගත හැක It has a peak power capacity of 450 watts and a 3-ohm impedance. The subwoofer is magnetically shielded for use near televisions. It is designed for use as part of a 5.1-channel home theater system.