This is a quality product with no background noise or hum. It can be used with an additional headset. The sound from my television is clear.

Added features; Comfortable; Great Sound Quality

We have been waiting for Kleer Audio Technology to appear in home headphones and are thrilled that Sennheiser has led the way. Wireless headphones are nothing new. For many years there have been battery-powered headphones available, receiving from transmitter units that connect to a headphone socket...

The Sennheiser RS 170 Headphones, feature a completely wireless system to bring you extremely portable high quality headphones, don't let the wireless fool you though, the Sennheiser RS 170 Headphones still deliver the highest possible quality by utilising Kleer's uncompressed digital wireless audio...

Crisp and clear audio; Good build quality; Wireless – Travel up to 80 metres from transmitter; Bass boost / surround sound buttons

Slow charging; Relatively expensive

Used this item for a few days and these are my impressions: easy to install and start up, good sound, effective controls. The only thing that could be better is a small "turn-off-on" button on the headphones embedded between the + and - sound--volume buttons, when adjusting the volume it's easy to...

These headphones also have the closed-back design that's most desirable for private TV watching. Also, like the RS 180, the RS 170 lets you add multiple sets of headphones to your system.

Excellent sound quality; Comfortable; solid build; Great wireless range; Good passive noise reduction

Fiddly controls; Surround sound is unimpressive

I purchased these several months ago due to a slight hearing loss which meant I had to have the volume up very loud to hear people speaking on TV and movies. However this meant the sound effects were too loud for everybody.