Sony MDR-IF140 Operating Instructions

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Sony MDR-IF140 Specification

The Sony MDR-IF140 is a lightweight, wireless infrared headphone designed for home audio and television use, offering a comfortable and user-friendly listening experience. It operates on an infrared transmission system, which requires a direct line of sight between the transmitter and the headphones, ensuring a stable connection within a typical range of up to approximately 23 feet. The headphones feature a frequency response of 18 Hz to 22,000 Hz, delivering a broad spectrum of clear audio suitable for various types of media content.

The headphone unit is equipped with 30mm drivers that provide balanced sound quality with enhanced clarity and dynamic range. Designed for prolonged use, the MDR-IF140 includes adjustable headbands and soft earpads, allowing users to enjoy extended listening sessions without discomfort. The lightweight construction further enhances comfort, making it ideal for continuous use during long movie sessions or TV marathons.

Power is supplied by a built-in rechargeable battery, offering up to 60 hours of playback time on a full charge, depending on usage conditions. The headphones come with a compact transmitter unit that connects to the audio source via a standard headphone jack, facilitating easy setup and operation. The unit is compatible with a variety of audio devices, ensuring versatility across multiple platforms.

The Sony MDR-IF140 is designed to deliver convenience and quality in personal audio, making it a suitable choice for users seeking a wireless solution for private listening at home. Its combination of infrared technology, robust battery life, and comfortable design positions it as a reliable option for enhancing the home entertainment experience.

Sony MDR-IF140 F.A.Q.

How do I pair the Sony MDR-IF140 headphones with my audio device?

To pair the Sony MDR-IF140 headphones, ensure the transmitter is connected to your audio device and powered on. Place the headphones on your head, and they should automatically connect to the transmitter.

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

First, check that the transmitter is connected properly to the audio source and powered on. Ensure the headphones have fresh batteries and are within the effective range of the transmitter.

How can I improve the sound quality of my Sony MDR-IF140?

Ensure there are no physical obstructions between the headphones and the transmitter. Also, check the audio source settings and adjust the volume both on the source and headphones.

What is the effective range of the Sony MDR-IF140 headphones?

The effective range is approximately 7 meters (23 feet) from the transmitter. Walls and other obstacles may reduce this range.

How do I replace the batteries in the Sony MDR-IF140 headphones?

Slide open the battery compartment on the side of the headphones and replace the old batteries with two new AAA batteries. Ensure proper polarity alignment.

Why do I hear static noise in my headphones?

Static noise can be caused by interference from other electronic devices. Try moving away from potential sources of interference or adjust the position of the transmitter.

Can I use the Sony MDR-IF140 headphones with a TV?

Yes, connect the transmitter to the audio output of your TV using the appropriate audio cable. Ensure the TV's audio settings are configured to output sound to external devices.

How do I clean my Sony MDR-IF140 headphones?

Use a soft, dry cloth to gently wipe the surface of the headphones. Avoid using any cleaning solvents or excessive moisture which can damage the electronics.

What should I do if the headphones are uncomfortable to wear?

Try adjusting the headband for a better fit. If discomfort persists, consider using additional padding or consult the user manual for further adjustment options.

How can I troubleshoot connectivity issues with my Sony MDR-IF140?

Ensure the transmitter and headphones are powered on and within range. Check the audio source and cable connections. If problems persist, reset the devices by turning them off and on again.