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I got these £160 worth headphones back in 2012 for free from my grandmother as a gift. Sennheiser RS 170 are wireless headphones which came together with a base unit which serves as a transmitter and a battery charger (fully charged battery can deliver up to 24 hours play time - I tested this and my battery lasted around 22.5 hours which is pretty good as well). The headphones are made from plastic in black-silver combination. The faux-leather ear-pads fit comfortably on ears and feel luxurious. On the right ear-pad are the control buttons (which I find a little weird but you will get used to it) such as power on, volume control, bass boost button and a surround sound simulator button. Tricky part is that the power on button is between volume control buttons so I switched few times my headphones accidentally off instead of increasing volume.
The sound quality of these headphones is very good, I cannot hear any disturbing noises in the background. Occasionally the sound became less clearer when I stepped further away from the transmitter. However just for watching movies on TV and sitting back comfortably on the couch, this wireless headphone are giving a pretty decent performance.
I cannot say that these Sennheiser RS 170 are my favorite headphones. I can even find a bunch of cheaper headphones which a prefer. In the end, these are very stylish and comfortable headphones however I do not think they are worth the money.
I ended up to giving this headphones to one of my friends. I would personally not buy them.
I live in a larger than average home with every wifi entertainment/streaming gadget known to man. I watch movies and shows at high volume, and don't want to disturb the family during late hours, etc. through my surround sound. My requirements for a headset are the following:
1) ZERO impedance, static, or "murmur", or slack time in the middle of sound and screen
2) REASONABLE separation without losing sign (I think 50 ft from your TV is truly sensible)
3) PERFECT no misfortune sound and profound bass as I anticipate from a quality encompass sound framework while viewing a film.
This headset meets all 3 requisite criteria. I'm very pleased and would highly recommend this product.