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Philips Fidelio L1

Over-Ear Semi-Open High Fidelity Headphones Wired Stereo Headset w/ iPod/iPhone Remote & Microphone


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General Features:

  • Over-Ear High Fidelity Semi-Open Headphones
  • Large 40mm speaker driver produces amazingly clear sound
  • The Tilted High-Definition Speakers deliver premium balanced sound with full range audio reproduction
  • Speakers are tilted to ear's natural angle for optimal clarity
  • Aluminum Ear Shells are just one of the numerous high-quality parts used in this Fidelio Series headphones by Philips, but they provide less resonance and vibrations as well as high-end appearance
  • Semi-Open Design delivers the best of both worlds. Transparent imagery, and detailed separation (of the Open-Back), along with the deep & powerful bass (of the Closed-Back)
  • Specifically Tuned to provide users with the most natural, and enjoyable music reproduction available
  • Tangle-free cable for convenient listening
  • Adjustable headband for comfortable listening sessions
  • Memory Foam Ear Pads allow comfortable listening enjoyment for endless periods of time
  • Oxygen-free, fabric-lined cable ensures high-quality signal
  • In-Line Microphone lets this pair of headphones double as a Smartphone Headset for iPhone, iPod, and iPad
  • In-Line Remote controls the listening function and track/volume control of music/MP3 playback
  • Main Color: Black
  • Also Found As: Philips L1 Fidelio Headset, Philips L1/00, Philips L128
  • Additional Philips Fidelio Series Headphones Available: X1/28 Premium Open-Back Headphones and M1/28 Premium Closed-Back Headphones
  • 1-Year Sonic Electronix Warranty

Product Specifications:

  • Speaker Type: Dynamic Driver, Stereo
  • Speaker Feature: Tilted Design, Balanced Sound
  • Speaker Design: Semi-Open Back
  • Speaker Diameter: 40mm
  • Frequency Response: 12 - 25,000 Hz
  • Nominal Impedance: 26 Ohms
  • Cord Length: 1.1m

What's In The Box:

  1. Philips L1 Fidelio Semi-Open Headphones/Wired Headset
  2. In-Line Remote Control
  3. 6.3mm Adapter Plug (1/4 Inch Adapter)
  4. Portable Carrying/Travel Pouch
  5. User Guide
  6. Owners Manual & Warranty Information

Headphone Design

Headphone Type

Headphone type refers to the construction of the headphones.

Around the Ear means that the headphones wrap around the ear to provide a secure fit. This is most often seen in active and sports headphones.

Around the Neck means that the headphones wrap around the neck. This is also seen in active and sports headphones.

Earbuds means that the right and left sides of the headphones are separated and will fit securely into the ear. These are small, compact, and user friendly.

Over the Head headphones mean that the right and left speakers are connected with a support that goes over the head and rests on top. This is the typical headphone type.

Over the Head
Earpiece Design

This is the design of the earpieces on the headphones. Some headphones go inside the ear, while others rest on the outside of the ear. This helps you know exactly what type of headphones you will be receiving.

In-Ear: The ear buds go into the ear. Most often, the right and left ear buds are two separate pieces.

Enclosed-Ear: Usually are found on the larger headphones. They rest on top of the ear and have padding for comfort, as well as enclosing the ear to the speaker. This type of headphone helps to filter out surrounding noise.

On-Ear: This type of headphone involves the speaker sitting gently on the ear without going in the ear or sealing it off.

Specifically For
Some headphones can use an IR Transmitter in your vehicle, while some can be plugged into your media device and be used on the go or at home.

This is the lifestyle that the headphones are designed for. Each style has unique features that make it perfect for particular people.

Designed for those that are active. These headphones are made to stay in the ear during workouts. Whether you frequent the gym a lot or go running outside in the fresh air, these active style headphones will be your best friend.

For those that need the best in music quality. These audiophile headphones are engineered to produce high fidelity and accurate audio replication.

Disc Jockeys (DJs) require a special type of headphone that can meet their professional needs. These headphones are durable, loud, and will often allow for one ear listening.

Fashion Enthusiast:
For those that want to make a fashion statement with their headphones. Not only are these headphones designed with great sound quality in mind, but also great looks!

This lifestyle speaks for itself! If you love video games and want a pair of headphones that will deliver explosive sound and allow you to communicate with others, this is where you need to shop!

Music Lover:
These headphones are made to sound great. They are designed to produce rich, brilliant sounds that will play your music in a manner that the artists would appreciate. These headphones are for those that love music.

Musical Production / Recording Artists:
You're a music creator. Whether you're producing and mixing it down or in the studio recording yourself, you need a pair of headphones that will reproduce the music perfectly without any coloration. Look here for reference quality studio monitoring headphones.

Headphones need to be affordable and durable to keep up with the student lifestyle. A variety of styles can be considered a pair of student headphones.

Those that often find themselves on planes or on the road a lot. These headphones are compact, lightweight, and have a portable design. Some of the headphones in this lifestyle will feature noise cancellation technology that will help shut out outside noise.

Music Lover

General Features

1/4" Stereo Jack Adapter
Some headphones will come with a 1/4" stereo jack adapter to connect the usual 3.5mm jack to a 1/4" stereo plug.

1/4" Stereo jack is a larger audio jack that select electronics have.

Volume Adjustment
Volume Adjustment means that the headphone (independent of the source) can adjust the playback volume. Many headphones and ear buds have in-line volume control, which allows adjusting the audible volume from a switch on the headphones cord. Other headphones have a volume knob on the headphone can.
Built-In Microphone
This means that the headphones or earbuds have a built-in microphone. This can be a microphone on the cord, built into the headphone, or even a boom microphone. These mics can be used for music devices like iPods, for Smartphones to make and receive calls, or for gaming purposes.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
12 - 25000 Hz
Driver Size
This refers to the diameter of the driver (speaker) on each side of the headphone.
40 mm
Driver Type
The physical design of the driver in the headphones.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Denver, Colorado

Sweet headphones!

January 17, 2014

This pair of headphones is one of the best-sounding, durable headphones on the market, and they're affordable.
Pros: Amazing sound, thumping bass, very clear sounding and crisp.
Good durability, aluminum construction, memory foam EarPads are very comfortable. User replaceable cords.
Cons: They don't fold up

4 of 7 found this helpful

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Highly Reccomended HeadPhones

October 11, 2013

Hello Everyone,

The headphones have a very good sound and sit comfortable on the head. first grade materials, Stylish and practical. Overall quality is surprising (also sounds good using cellular phones mp3)specifically recommended for people who want to invest a little more without turning out disappointed.

Its all I needed and more from a pair of HD headphones.

Good luck!

4 of 8 found this helpful

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San francisco

Great headphones

September 17, 2013

I don't have much knowledge about headphones but i do try a lot of brands. This product is pretty good. no problems.

3 of 6 found this helpful

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Philips Fidelio L1

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