If you come across any issues with the Sennheiser RS 120, then please refer to the troubleshooting page
Background and Identification
The Sennheiser RS 120 was released in 2004 as headphones that utilize a transmitter for wireless use. The model number for this set is RS 120, whilst the headset is HDR 120 and the transmitter is TR 120. Connecting a device to the audio cord adapter allows one to hear sound from up to 300 feet away through walls and ceilings. The three position channel selector lets you pick a channel for clear reception.
The Sennheiser RS 120 set contains a 200g HDR 120 (headset) and a 230g TR 120 (transmitter). Included in the package is a transmitter power cable, audio cable, 2 AAA NiMH batteries and audio adapters.
The Sennheiser RS 120 sports a volume panel, tune panel, and an on and off switch on the headphone. The transmitter has a a channel switch as well as on/off and charge lights for easier use.
- 85 x 225 x 133 mm
- AAA Battery
- 24 Ω
- Transmitter 9V bloc
- Receiver: 2 AAA Batteries
- 22-19500 Hz
- Transmitter: 200 g
- Receiver: 230 g (with batteries)