This worked great for hanging my soundbar. However, I still had to go to ACE to find out what additional hardware is needed to mount it on the wall. So it really added a week to this "quick" project, but it works great.
Kohree 36V To 12V DC/DC Converter Regulator - 10A 120W Golf Cart Voltage Reducer
17 Review
TV Tuner LUMAX DV-2120HD
15 Review
HOMELYLIFE 600W High Power Voltage Reducer DC 48V 60V 72V Step Down To DC 12V 50A Buck Converter Waterproof Module Car Truck Power Regulator Transformer
12 Review
DC/DC 12V To 24V Boost Converter 40A 960W - Waterproof Voltage Regulator Module For Car Power Supply (10V-16V Input)
15 Review