I bought these 4-20 to replace a previous set of Sony RF headphones I had used for about 10 years! I received great service from them. The new ones are even better. More comfortable and easy to set up.

This was a replacement for the original model. We had replaced the ear pads twice and then the holder of the ear piece broke. This model has better ear pads and the holder swivels so it looks like the have made improvements. The RF model is better than WIFI if you like to walk around house while you listen to TV.... Read More  Hide

This Is My Second Set Of RF400 Headphones. I Wore Out My First Set. I Have Tried Other Headphones But This One Is The Very Best. It Was Affordable. I Am Almost Deaf & Use 1 Hearing Aid. I Take The Hearing Aid Out To Use The Headphone & I Hear Clearly. Wife Likes The Headphone Because The TV Sound Is Off.... Read More  Hide

My 1st RF400 worked very well but the On-Off switch failed. Sony replaced the unit without problem. The new unit is absolutely excellent. Sound quality is so good and it is very comfortable to wear. This is my 3rd Sony wireless headphones. The other 2 sets (RF960R and RF98R) are connected to other TVs. They, too, are excellent but this RF400 model is the best. I highly recommend it to people with poor hearing.... Read More  Hide