Samsung PS-WJ450 Bluetooth Wireless Active Subwoofer for HW-J450/JM450 Soundbar | eBay
How to manually connect the subwoofer to your 2018 Soundbar | Samsung US - YouTube
Amazon.com: Onerbl New 2-Pin AC in Power Cord Outlet Socket Plug Cable Lead for Samsung PS-WJ450 Subwoofer Power Supply Cord Cable PS Charger Mains PSU : Electronics
Samsung PS-WJ450 Wireless Subwoofer - compatible with HW-JM45C - Works Great! | eBay
SAMSUNG Subwoofer PS-WJ450 + Sound-bar HW-JM45 Tested Works All Cords Included. | eBay