I got the Univox 2a room home loop kit from TecEar for my TV and I am very happy with it. I placed a loop under the sofa and it works great. Plenty of volume and power.
Previously, I tried some bluetooth loopsets but the volume was marginal (had to place the loop over my ears instead of the neck) and had to keep recharging the batteries every several hours. Also, the sound quality of the Univox 2a is better.
I am going to buy a 2nd Univox for my computer.