Sony SRS RF90RK Operating Instruction

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Sony SRS RF90RK Specification

The Sony SRS RF90RK is a wireless headphone system designed for high-quality audio transmission and comfortable extended use. It features a dynamic, closed-back design that provides immersive sound isolation and enhanced audio fidelity. The headphones are equipped with 40mm driver units, delivering clear and powerful sound across a wide frequency range. This model operates on a radio frequency (RF) wireless system, allowing users to enjoy a stable and interference-free connection over distances up to approximately 45 meters, depending on the environment. The RF transmission operates within the 915.5 MHz band, ensuring robust connectivity even through walls and ceilings.

The SRS RF90RK includes a dedicated transmitter base that doubles as a charging dock, ensuring that the headphones are always ready for use. The rechargeable NiMH battery provides up to 25 hours of continuous playtime on a full charge, making it ideal for long listening sessions. Comfort is prioritized with adjustable headbands and cushioned ear pads, designed to offer a snug fit without causing fatigue. The headphones also feature an automatic tuning function, which ensures optimal signal reception by automatically selecting the best available frequency.

A volume control is conveniently located on the headphones, allowing users to adjust sound levels easily. The package includes an AC adapter and audio cable, providing flexibility in connecting to various audio sources such as TVs, stereos, and other devices with analog outputs. The Sony SRS RF90RK combines functionality with ease of use, making it a suitable choice for users seeking reliable wireless audio performance for home entertainment setups.

Sony SRS RF90RK F.A.Q.

How do I connect my Sony SRS RF90RK wireless headphones to my TV?

To connect the Sony SRS RF90RK headphones to your TV, first ensure the transmitter is connected to the audio output of your TV using the provided audio cable. Then, turn on both the transmitter and headphones and ensure they are set to the same channel.

What should I do if there is no sound coming from the headphones?

First, make sure the transmitter and headphones are powered on and properly connected. Check if the volume is turned up on both the headphones and the audio source. Also, ensure the transmitter and headphones are on the same channel.

How can I improve the sound quality and avoid interference?

To improve sound quality, ensure that the headphones and transmitter are within the recommended range and avoid obstructions. Try changing the channel on both the transmitter and headphones to avoid interference from other devices.

How do I charge the Sony SRS RF90RK headphones?

Place the headphones onto the transmitter's charging cradle. Ensure the charging contacts are aligned properly. The charging indicator will light up, indicating that the headphones are charging.

What is the battery life of the Sony SRS RF90RK headphones?

The Sony SRS RF90RK headphones typically offer up to 25 hours of continuous use on a full charge. Battery life may vary depending on usage and environmental conditions.

Can I use the headphones with multiple devices?

Yes, you can connect the transmitter to multiple audio sources using an appropriate audio switcher or adapter. However, the headphones can only receive audio from one source at a time.

How do I clean my Sony SRS RF90RK headphones?

Use a soft, dry cloth to gently wipe the headphones and transmitter. Avoid using any chemical solvents or excessive moisture to prevent damage.

What should I do if the headphones are not charging properly?

Ensure the headphones are correctly placed on the charging cradle, and that the charging contacts are clean and free of debris. If the issue persists, check the power connection of the transmitter.

How can I reset the headphones if they are not working correctly?

To reset the headphones, turn them off, and then turn them back on. If the problem continues, remove the batteries and reinsert them after a few seconds.

Are replacement parts available for the Sony SRS RF90RK?

Yes, replacement parts such as ear pads and batteries may be available through Sony's official service centers or authorized retailers. Check with Sony support for availability.