Sennheiser RS 120 II Review- Headphones for TV and Hi-Fi Audio

“Sennheiser” is a renowned audio equipment company specializing in manufacturing high-quality headphones, microphones, telephone accessories. Sennheiser’s engineering expertise has led to decades of audio quality, reliability, and durability. Sennheiser RS 120 II is one of their best lightweight wireless headphones used comfortably in TV & Hi-Fi Audio.

These headphones are so comfortable and light you can wear them for hours with an adjustable padded headband which is ideal for TV watching or listening to music. The sound quality is decent & well balanced. In this Sennheiser RS 120 II Review, we will cover all significant aspects of this wireless headphone. So, let’s get started. 

Features with benefits

Sound quality- The sound quality is very average, and it is well-balanced. The bass and treble seem to be just perfect for any type of music form. These headphones produce a beautiful sound spectrum. No doubt it’s an ideal choice for listening to music at home or for outside purposes. The open-aired design of the speaker delivers detailed, warm sound with a good bass response and is ideal for TV and hi-fi audio use.

Performance- RS 120 RF Wireless Headphones offer exceptional performance at the best prices. These headphones will never disappoint you. The features are so amazing that it gives a very comfortable experience to the user. Premium sound quality, long battery life, durability, and quality construction make this headphone a good choice. The set has a lofty sound which is ideal for TV viewing and to hear music. Quality construction standards give you a very comfortable feel while wearing for hours.

Design and style- The most amazing part of this model is its open-back design with sleek and well-built quality. The design is quite fashionable and can be worn outside. So, you can use it for outside purposes. It has a sleek and stylish design which makes it easy to wear, especially with people who have long hair, as it won’t get entangled in the headband. You can use it at the home, office as well as outdoors.

Fit and Comfortability- The headphone is comfortable to wear; even it can be used for hours. It has a padded headband that gives comfort and a smooth fit that rests gently on your head. There is no need to worry about the headphones slipping away from your head, as these headphones will stay comfortable and safe on your head. Sennheiser RS 120 II are very lightweight (weigh only 1 lb), making them easy to carry anywhere, anytime. It has an adjustable headband that perfectly fits on your head and gives the feeling of comfort.

Portability- These headphones are lightweight, and the design is so compact that they can be carried anywhere. The ear cups fold flat, making them easy to store in a briefcase or suitcase for travel. The rugged design, lightweight construction, foldable ear cups, and soft pouch for storage make it easy to carry.

Connectivity- Headphones with RF capability are wireless and can be used with a TV, home audio system, and computers. It receives uninterrupted reception, free of any interference, for up to 300 feet from inside or outdoors. It does not support Bluetooth, and the transmitter requires a connection to an audio jack or headphone port.

Battery Life- The battery life is excellent. Rechargeable AAA NiMH batteries provide up to 20 hours of runtime. The transmitter that doubles as a charging unit can charge your headphone stored on the metal cradle. Now, no need to worry about the battery getting drained while watching TV or enjoying music. 

Sennheiser RS 120 II Quote-

“The Sennheiser RS120 II is one of the few wireless headphones we’ve tested that really delivers on its promise of being able to move around your home and listen to high-quality sound.”. – Editor

Compatible- This wireless headphone transmitter can convert any audio source with analog outputs to a wireless one. Examples include TVs, audio components, computers, tablets, and cell phones with 3.5mm or 6.3mm ports. RF wireless is not compatible with Bluetooth

Headphone control- The on/off, volume, and tuning control are located on the headphone. Sennheiser RS 120 II ear cushion provides very high-quality sound. With the help of these headphones, you can enjoy your favorite songs and movies at home or while traveling. The sound is very balanced, clear, and pleasant to listen to.

Three RF channels- A selector can choose an interference-free medium for clear reception. A tuning wheel can be used to manually select a channel free of interference from wireless devices such as cordless telephones and other wireless headphones.

What’s in the Box?-The wireless headphone comes with the transmitter and two AAA rechargeable NiMH batteries. You will also get a hard-shell carrying case, quick start manual, user guide, and Sennheiser warranty card.


Sennheiser RS 120 II does not support Bluetooth. It is designed for use with analog audio output jacks, such as TVs, audio components, computers, and tablets. If you like listening to music by streaming your favorite songs using Bluetooth, this device is not for you.

Frequently asked question

1. How do I connect my Sennheiser RS 120 to my TV?

Answer: Connect the headphone’s output to your TV or another device with a simple RCA cable with 3.5 mm jacks. You can also connect it to your TV using a digital optical cable (optical-digital audio cables).

2. How do I set up Sennheiser RS120 wireless headphones?

Answer: Download the operating instructions from the manufacturer’s website and follow all steps for troubleshooting. Make sure that you have installed batteries in both the headphones and transmitter. If necessary, plug your TV or any other device with a 3.5 mm jack using an RCA cable to the headphone output.

3. How do you charge a Sennheiser RS 120?

Answer: To connect, plug the transmitter into a power source and audio cables into an audio source. The RED light will come on to indicate charging when you place the headphones in the receiver cradle.

4. How do I check the Sennheiser battery level?

Answer: Listen to the headphones while charging and press the volume button. The battery level displays on the screen at the top of the transmitter. When it reaches 100 percent, you will hear a beep sound indicating that the charge is complete.

5. Why are my Sennheiser headphones not charging?

Answer: If the product seems to power on or turn off intermittently, it may be due to a change in battery or power outage. This usually happens when a user has recently refilled their device with new batteries and takes a few charging cycles to sync the lights and internal electronics.


Sennheiser RS 120 II headphone is excellent to use for watching movies and listening to music. It is compatible with any device with analog outputs such as TVs, audio components, computers, tablets, and cell phones. The headphone is lightweight and very comfortable to wear for extended periods. Finally, the price is also affordable. If you are looking for these specific types of features, then this is the best option. I hope you are satisfied with this article “Sennheiser RS 120 II Review”, please share your point of view with us through the comments section.

2 thoughts on “Sennheiser RS 120 II Review- Headphones for TV and Hi-Fi Audio”

  1. can I connect my RS 120 headphones to a Yamaha sr-c20a sound bar and have the sound in the room and through the headphones? How do I connect them to achieve this?

  2. Elizabeth M Burke

    I cannot get my headphones to work . I have a cable box . Do I connect them to the box or to the TV ? Help

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