Rather disappointed with Philips on this one. Indeed there is a noise in the right ear low level listening. Means the amount no longer sound but it's annoying. I have an EP so august 650 a Chinese thing that generates no noise. After shb7000 Philips has a sound a little more balanced ie less exaggerated on the low. Too bad! I retain for its low price and especially its compatibility with my Bluetooth transmitter types Tao I connected to the output jack of 3.5 tv as not to wake the children in the evening ...