Originally Posted by mr dave

Hmm that's odd. Especially considering Sennheiser's reputation. The technology is definitely there, do you have a lot of other electrical or wireless devices that could be creating interference? Does proximity to the transmitter help alleviate the noise and static? What do you normally do with the headphones that makes a traditional wire connection impractical? Have you replaced the batteries to make sure the issue persists with fresh ones?

Or was it just that they were on sale and you got sucked in an impulse purchase