The maximum distance between the wireless subwoofer and the main unit in open range is 8 meters (26 feet).
The actual reachable distance may be lower due to the environment, obstructions between both devices, electronic interference from Wi-Fi, cordless phones etc.
P.S. The subwoofer should be kept at least 1 m (3.2 feet) away from the TV, as mentioned in user manual.
