Sennheiser RS120 II Wireless Headphones
Package includes
Connecting the transmitter to a sound source
Connecting the transmitter to an AC wall outlet
Inserting or replacing the rechargeable batteries
Charging the headphones
Switching the headphones on
Optimizing the reception
Adjusting the volume
Wearing the earphones
Switching the headphones off
Instruction manuals and product support
For more manuals by Sennheiser, visit ManualsLibraryy
Sennheiser RS120 II Wireless Headphones-FAQs
What is the wireless range of the Sennheiser RS120 II?
These headphones offer up to 60 meters of range, letting you enjoy clear sound around your home without dropouts.
What does the green light on my Sennheiser RS120 II mean?
A solid green light means the headphones are connected to the base station. If it stays on but you lose audio, it may be due to interference.
How do I connect the RS120 II headphones?
Plug the transmitter base into your audio source, power it on, and place the headphones on your head. The headphones will automatically pick up the signal.
Why are my Sennheiser headphones not charging?
If charging fails, check the metal contacts on both the headphones and charging cradle for dirt. Clean them gently and try again.
How long do the headphones take to charge?
A full charge usually takes about 16 hours. Freshly charged batteries provide up to 20 hours of listening time.
Can I use regular batteries with my RS120 II headphones?
Yes, the headphones use two AAA rechargeable batteries, but standard AAA alkaline batteries can also be used as a backup.
How do I know when my Sennheiser headphones are fully charged?
The red charging light on the base station turns off once the headphones are fully charged.
How long do Sennheiser headphones usually last?
With proper care and battery replacement, Sennheiser headphones can last 8–15 years or more.