Philips Fidelio X3 Wired Over-Ear Open-Back Headphones User Manual

Package Contents

• Philips Fidelio X3 Headphones
• Detachable Balanced and Unbalanced 3m Oxygen-free Cables
• 3.5 – 6.3 mm Adapter
• Cable Clip

Setting Up Your Headphones

1. Unpack the Philips Fidelio X3 headphones and all included accessories from the box.
2. Choose between the balanced or unbalanced cable, depending on your audio source and preferences.
3. Connect the chosen cable to the headphones by inserting the connectors into the corresponding jacks on the left and right ear cups.
4. Attach the 3.5 – 6.3 mm adapter to the other end of the cable if your audio source requires a 6.3 mm input.
5. Plug the cable into your audio source, such as a headphone amp, phone, or mobile device.
6. Adjust the headband for a comfortable and secure fit on your head.
7. Begin playing your audio source and enjoy the high-quality sound from your Philips Fidelio X3 headphones.

Troubleshooting Tips

No Sound or Low Volume

• Ensure the cable is properly connected to both the headphones and the audio source.
• Check if the audio source is turned on and playing audio.
• Adjust the volume on your audio source to a comfortable listening level.
• Try connecting the headphones to a different audio source to rule out any issues with the original device.

Distorted or Unclear Sound

• Ensure the cable is properly connected to both the headphones and the audio source.
• Check if the audio file being played is of high quality. Low-quality files may result in poor audio performance.
• Try connecting the headphones to a different audio source to rule out any issues with the original device.

Discomfort or Poor Fit

• Adjust the headband to find a comfortable and secure fit on your head.
• Ensure the ear cups are properly positioned over your ears.
• Give yourself some time to adjust to the headphones, as it may take a few uses for the optimal fit to be achieved.

Frequently Asked Questions

Can I use the Philips Fidelio X3 headphones with my mobile phone?

Yes, the Fidelio X3 headphones can be used with mobile phones and other devices. They come with both balanced and unbalanced cables, making them compatible with a variety of audio sources.

Are these headphones suitable for studio monitoring?

The Philips Fidelio X3 headphones are designed for high-quality audio reproduction and can be used for studio monitoring. However, their open-back design may not be suitable for all studio environments, as they may allow sound to leak and be picked up by microphones.

What is the difference between the balanced and unbalanced cables included with the headphones?

The balanced cable provides a separate ground connection for each channel, which can result in lower noise and interference, while the unbalanced cable has a single ground connection shared by both channels. Depending on your audio source and preferences, you may choose to use either cable for your listening experience.

Can I replace the ear pads on the Philips Fidelio X3 headphones?

Yes, the ear pads on the Fidelio X3 headphones can be replaced. However, it is recommended to use genuine Philips replacement parts to ensure the best fit and performance.

Are these headphones suitable for gaming?

The Philips Fidelio X3 headphones can be used for gaming, offering a wide and natural soundstage, as well as detailed audio reproduction. However, they do not have a built-in microphone, so you may need to use a separate microphone for online gaming communication.

Product FAQ:

Q: How much do the Philips Fidelio X3 headphones weigh? Are they lighter than the Philips Fidelio X2HR?
A: The X2HR weighs 0.91 lbs while the X3 weighs 0.84 lbs.

Q: Are these headphones USB?
A: No, there is no power involved with these headphones. The wires are plugged into a "source" like a phone, digital music player, receiver, etc.

Q: Do these headphones comfortably fit a head that wears a hat size of 8 1/2?
A: While we cannot say for sure, as it varies from person to person, users with a head size of 7 3/4 have reported being able to wear them comfortably for 6-8 hours at a time with plenty of room to spare.

Q: Is it worth buying a better cable to listen to music? I am going through my old NAD 1700 preamp/tuner. CDs and Vinyl.
A: Yes, changing out the cable can make a significant difference in sound quality. The X2's standard 1/8” connector can be replaced with an Audioquest cinnamon or other high-quality cable for improved detail, imaging, sweetness, liquidity, etc.

Q: What are the dimensions of the inner ear cup?
A: The inner ear cup measures approximately 52mm x 65mm.

Q: I don't really get it, Fidelio X3 description says "balanced and unbalanced cables included", the balanced one is 2.5mm or 4.4mm?
A: On the headphone side, both cables are 3.5mm TRS. But on the amp side, the balanced cable terminates in a 2.5mm balanced connector.

Q: How do I turn on the sound? My X2s work fine, but the X3s don’t make a peep.
A: Philips used a unique pinout for the cord. Make sure you have the left plug in the left cup, and vice versa. Unfortunately, they are not reversible.

Q: What is a good carrying case for the X3?
A: The headphones come with an amazing case that should suffice for most users.

Q: What is the sound quality like on the Philips Fidelio X3 headphones?
A: The sound quality of the X3 headphones is exceptional, with a wide, natural soundstage and uncolored sound. The 50mm multi-layer polymer diaphragms deliver exquisitely detailed highs, full and smooth midrange, and impactful (without overpowering) bass. They are Hi-Res Audio certified and offer an immersive and spacious sound thanks to their open-back design and acoustically transparent Kvadrat speaker fabric. The headphones are also designed for absolute comfort, with a focus on natural sound reproduction.