The Sennheiser RS 120 II is a high-quality wireless headphone system designed for immersive audio experiences. It combines comfort, clarity, and convenience, making it ideal for home use.
1.1 Overview of the Sennheiser RS 120 II Wireless Headphones
The Sennheiser RS 120 II wireless headphones deliver an exceptional audio experience with their supraaural design and open acoustic system. Weighing 230 grams, they ensure comfort and portability. Equipped with two AAA batteries, these headphones provide up to 20 hours of continuous use. The integrated tuning control optimizes sound clarity, making them perfect for home audio and entertainment, offering both quality and convenience.
1.2 Key Features and Benefits
The Sennheiser RS 120 II offers a 20-hour battery life, ensuring extended listening sessions. Its clear sound reproduction and tuning control provide optimal audio quality. The lightweight design enhances comfort during prolonged use. Compatibility with multiple audio sources makes it versatile for home entertainment. These features combine to deliver a seamless and enjoyable wireless listening experience.
System Components and Accessories
The Sennheiser RS 120 II includes a transmitter, receiver, and headphones. It also comes with batteries and a charging dock, ensuring convenient wireless operation.
2.1 Transmitter and Receiver Overview
The Sennheiser RS 120 II system includes a transmitter and receiver, enabling wireless audio transmission. The transmitter connects to audio sources via RCA or 3.5mm inputs, while the receiver is built into the headphones. It operates on a reliable 926 MHz frequency, ensuring clear sound reproduction. The system also features automatic tuning for interference-free listening and supports up to 20 hours of battery life on fully charged AAA batteries.
2.2 Battery and Charging Information
The Sennheiser RS 120 II headphones are powered by two AAA batteries, providing up to 20 hours of continuous use. The included transmitter doubles as a charging dock, allowing convenient recharging. Batteries are fully charged in approximately 16 hours. For optimal performance, use high-quality alkaline batteries and avoid mixing old and new ones to ensure consistent power delivery and longevity.
2.3 Included Accessories and Optional Add-Ons
The Sennheiser RS 120 II includes a transmitter that doubles as a charging dock, two AAA batteries, an optical audio cable, and a 3.5mm audio cable. Optional add-ons such as replacement ear pads, a wall adapter, and additional audio cables can be purchased separately to enhance functionality and comfort. These accessories ensure optimal performance and personalized use.
Installation and Setup Guide
Connect the transmitter to your audio source, charge the batteries, and position the transmitter for optimal wireless reception. Follow the manual for a seamless setup experience.
3.1 Connecting the Transmitter to Your Audio Source
To connect the transmitter, locate the audio output ports on your source device (e.g., RCA or 3.5mm). Use the provided cables to link the transmitter to these ports. Ensure the connection is secure for optimal signal transfer. Turn on the transmitter and audio source, then adjust settings as needed. If no sound is detected, check connections and ensure the headphones are properly tuned to the transmitter frequency.
3.2 Charging the Batteries for the First Time
Insert the two AAA batteries into the headphones, ensuring correct polarity. Place the headphones on the charging dock. The red LED indicates charging. Charge for 16 hours initially. Avoid interrupting the process; Once charged, the LED will turn off. For subsequent charges, 8-12 hours are sufficient. Keep the charging contacts clean for optimal performance. Fully charged batteries provide up to 20 hours of playback.
3.3 Positioning the Transmitter for Optimal Reception
Place the transmitter in a central, elevated location to ensure optimal signal coverage. Keep it away from metal objects and electronic devices to minimize interference. Position the transmitter at least 3 feet above the floor and avoid obstructing its line of sight. Adjust the transmitter’s orientation to maximize range and clarity. Use the TUNE control to select the clearest channel for uninterrupted audio.
Operating the Headphones
The Sennheiser RS 120 II is simple to use. Press the power button to turn on/off, adjust volume with the controls, and use the tuning dial for clear reception.
4.1 Turning On and Off the Headphones
Turning the Sennheiser RS 120 II on and off is straightforward. Press and hold the power button until the blue LED lights up for power-on or turns off for power-off. Ensure the volume is set to a low level before turning on to avoid sudden loud sounds. After powering on, adjust the volume as needed. The headphones also feature an automatic shutdown option to conserve battery life when not in use. Properly turning them off helps maintain battery health;
4.2 Adjusting the Volume and Sound Settings
Adjust the volume using the control located on the ear cup. Turn the dial clockwise to increase and counterclockwise to decrease. The headphones feature a maximum volume limit to protect hearing. For sound customization, use the tuning control to optimize reception and balance. Ensure the transmitter is properly positioned for clear audio. Experiment with settings to achieve your preferred sound quality while maintaining comfort and clarity.
4.3 Using the Tuning Control for Clear Reception
For optimal sound, use the tuning control on the headphone to fine-tune the signal. Rotate the dial to match the transmitter’s frequency, ensuring clear reception. If interference occurs, adjust the control slowly until static reduces and audio clarity improves. Proper tuning enhances sound quality and minimizes background noise, providing a seamless listening experience with your Sennheiser RS 120 II.
Maintenance and Troubleshooting
Regularly clean the ear cushions and transmitter to ensure optimal performance. Check battery connections and adjust the tuner for clear sound. Refer to the manual for troubleshooting tips and solutions to common issues, ensuring your headphones function at their best.
5.1 Cleaning and Care Tips for the Headphones
Regularly clean the ear cushions with a soft, dry cloth to remove dirt and sweat. Avoid using harsh chemicals or moisture, as they may damage the materials. Gently wipe the transmitter and headphones with a damp cloth, ensuring no liquid enters the openings. Store the headphones in a cool, dry place to maintain their shape and prevent damage. Proper care extends the lifespan and performance of your Sennheiser RS 120 II.
5.2 Common Issues and Solutions
Common issues include static noise, reduced battery life, or poor wireless reception. For static, ensure the transmitter is positioned correctly and adjust the TUNE control. For battery life, charge fully before first use and avoid overcharging. If reception is weak, move the transmitter away from obstructions. Refer to the manual for detailed troubleshooting steps to resolve these issues effectively and maintain optimal performance.
5.3 Resetting the Headphones to Factory Settings
To reset the Sennheiser RS 120 II headphones, power them off, then press and hold the volume up, volume down, and power buttons simultaneously for 10 seconds. Release the buttons when the indicator light flashes. This restores the headphones to their factory settings. Ensure the transmitter is off during the reset process. The headphones will automatically turn on and be ready for pairing after the reset is complete.
Technical Specifications
The Sennheiser RS 120 II features a frequency response of 22 Hz to 19.5 kHz and weighs 230 grams. It operates on AAA batteries, offering up to 20 hours of playtime.
6.1 Frequency Response and Sensitivity
The Sennheiser RS 120 II boasts a frequency response of 22 Hz to 19.5 kHz, delivering clear and detailed sound reproduction. With a sensitivity of 106 dB, it ensures robust audio output. This combination provides balanced bass, midrange, and treble, making it suitable for various music genres and audio sources. The specifications highlight its capability to produce high-quality sound while maintaining efficiency and performance.
6.2 Battery Life and Charging Time
The Sennheiser RS 120 II offers an impressive battery life of up to 20 hours on a single charge. Charging is convenient via the included transmitter, taking approximately 16 hours to fully recharge. The system uses two AAA batteries, ensuring reliable performance for extended listening sessions. This long battery life and straightforward charging process make it ideal for all-day use without interruptions.
6.3 Weight and Comfort Features
The Sennheiser RS 120 II weighs 230 grams, ensuring lightweight comfort during extended use. It features padded ear cushions and an adjustable headband for a secure, comfortable fit. The supraaural design delivers clear sound while being gentle on the ears, enhancing overall listening comfort and making it ideal for long sessions.
Accessories and Compatibility
The Sennheiser RS 120 II comes with a transmitter, charging dock, and optical cable. It is compatible with TVs, stereos, and DVD players via analog or digital outputs.
7;1 Compatible Audio Sources and Devices
The Sennheiser RS 120 II is compatible with various audio sources, including TVs, stereos, and DVD players. It supports analog and digital connections via RCA or optical inputs. The system works seamlessly with devices equipped with 3.5mm or RCA outputs, ensuring versatile connectivity for enhanced audio experiences across multiple platforms and formats.
7.2 Available Replacement Parts and Upgrades
Replacement parts for the Sennheiser RS 120 II include ear pads, batteries, and audio cables. Upgrades like enhanced cushions or high-quality cables can improve comfort and sound quality. Genuine Sennheiser accessories ensure compatibility and performance, while third-party options offer cost-effective alternatives. Regularly updating or replacing parts extends the lifespan and maintains optimal functionality of the headphones.
Downloading the Manual
The Sennheiser RS 120 II manual is available for free download in PDF format from official Sennheiser websites or trusted online archives like ManualsLib.
8.1 How to Download the PDF Manual
To download the Sennheiser RS 120 II manual, visit trusted sources like ManualsLib or Sennheiser’s official website; Select the PDF file, click “Download,” and enter the verification code if prompted. The manual is available in English and provides detailed instructions for setup, usage, and troubleshooting.
8.2 Navigating the Manual for Specific Information
The Sennheiser RS 120 II manual is organized for easy navigation. Use the table of contents to locate sections like installation, troubleshooting, or maintenance. Key features are highlighted in bold, and diagrams provide visual guidance. For specific queries, refer to the index or search for keywords within the PDF. The manual is designed to be user-friendly, ensuring quick access to the information you need.
Safety Information and Precautions
Ensure compliance with FCC and Industry Canada standards. Avoid exposure to extreme temperatures or moisture. Use batteries safely and follow charging guidelines to prevent damage or hazard.
9.1 Important Safety Instructions
Use the Sennheiser RS 120 II as intended and follow the manual. Avoid exposure to extreme temperatures, moisture, or physical stress. Use only original accessories to prevent damage. Keep the device away from children and flammable materials. Avoid listening at high volumes for extended periods to protect hearing. Ensure proper battery handling to prevent leakage or explosion. Follow all safety guidelines for optimal performance and user protection.
9;2 Compliance with Regulatory Standards
The Sennheiser RS 120 II complies with FCC Part 15 and RSS-210 of Industry Canada, ensuring adherence to regulatory standards. It is designed to meet global safety and electromagnetic compatibility requirements. The device undergoes rigorous testing to guarantee compliance with international standards, providing users with a safe and reliable audio experience. Sennheiser electronic GmbH & Co. KG ensures all products meet these certifications for quality assurance.
The Sennheiser RS 120 II offers exceptional sound quality, comfort, and wireless convenience, making it a top choice for home audio enthusiasts. Enjoy seamless connectivity and long battery life for uninterrupted listening experiences. Follow the manual’s guidelines to maximize performance and longevity of your headphones. Sennheiser ensures a superior audio experience with this product.
10.1 Final Tips for Optimal Use
For the best experience with your Sennheiser RS 120 II, adjust the volume gradually to avoid sudden sound spikes. Keep the transmitter away from obstacles for clear reception. Regularly clean the ear cushions and charging contacts to maintain performance. Store the headphones properly when not in use to prolong battery life. Refer to the manual for troubleshooting common issues and resetting to factory settings if needed. Always charge the batteries fully before extended use to ensure uninterrupted listening sessions. Proper care and maintenance will enhance the longevity and sound quality of your wireless headphones. Enjoy your immersive audio experience with these simple yet effective tips!