Introduction
The JBL Tune 520C USB-C wired on-ear headphones provide a high-quality audio experience with the convenience of USB-C connectivity. Designed for comfort and portability, these headphones feature JBL Pure Bass Sound, Hi-Res Audio support, and an integrated 3-button remote with a microphone for easy control of music and calls. This manual provides essential information for setting up, operating, and maintaining your headphones.

Image: The JBL Tune 520C headphones in black, showcasing the on-ear design and the USB-C cable with inline remote.
What's in the Box
Verify that all components are present upon unboxing:
- 1 x JBL Tune 520C USB-C headphones
- 1 x Warranty/Warning document
Product Overview
Familiarize yourself with the main components and controls of your JBL Tune 520C headphones.

Image: A close-up view of the JBL Tune 520C headphones, highlighting the integrated 3-button remote on the cable and the USB-C connector.
3-Button Remote with Microphone
The inline remote provides convenient control over your audio and calls:
- Volume Up (+) button: Press to increase volume.
- Multi-function button (center): Press once for play/pause, answer/end call. Press twice for next track. Press three times for previous track.
- Volume Down (-) button: Press to decrease volume.
- Microphone: Integrated for hands-free calls.
Setup
Connecting your JBL Tune 520C headphones is straightforward due to their universal USB-C compatibility.
Connecting to a Device
- Locate the USB-C port on your audio source device (PC, laptop, phone, tablet, gaming device).
- Insert the USB-C connector of the JBL Tune 520C headphones firmly into the device's USB-C port.
- The headphones are plug-and-play and should be recognized automatically by most devices.

Image: A detailed view of the JBL-branded USB-C connector, ready for connection.
Compatibility
These headphones are compatible with a wide range of devices featuring a USB-C audio output, including:
- PCs and Laptops
- Mobile Phones
- Tablets
- Gaming Devices

Image: A user wearing the JBL Tune 520C headphones while engaged with a laptop, illustrating device compatibility.
Operating Instructions
Wearing the Headphones
The JBL Tune 520C are on-ear headphones, designed to rest gently on your ears rather than fully enclosing them.

Image: A diagram visually explaining the difference between In-Ear, On-Ear, and Over-Ear headphone styles, with the On-Ear style matching the JBL Tune 520C.
- Adjust the headband to ensure a comfortable fit over your head.
- Position the earcups so they rest securely and comfortably on your ears.

Image: A person wearing the JBL Tune 520C headphones, demonstrating a comfortable fit for listening to music.
Basic Audio and Call Control
Use the 3-button remote for audio playback and call management as described in the Product Overview section.
EQ Presets
The JBL Tune 520C headphones feature built-in EQ presets to customize your listening experience. You can switch between these presets using the inline remote.
Switching EQ Presets
To cycle through the EQ presets, press and hold the Volume Up (+) button on the remote for approximately 2 seconds.
Available Presets:
- Default: Provides a balanced, well-rounded sound profile suitable for most audio content.
- Vocal: Enhances mid-range frequencies, making vocals clearer and more prominent.
- Bass: Boosts low-end frequencies, adding more depth and impact to bass-heavy music.
Video: An official product video demonstrating the features of the JBL Tune 520C, including the EQ presets and controls.
Maintenance
Proper care ensures the longevity and optimal performance of your headphones.
Cleaning
- Wipe the earcups and headband with a soft, dry cloth.
- Avoid using harsh chemicals or abrasive materials.
- Do not immerse the headphones in water, as they are not water-resistant.
Storage
The JBL Tune 520C headphones are foldable for convenient storage and transport.
- Gently fold the earcups inwards towards the headband.
- Store in a clean, dry place to prevent damage.

Image: The JBL Tune 520C headphones shown in their folded configuration, demonstrating their portability.
Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
| Problem | Solution |
|---|---|
| No sound or low volume |
|
| Microphone not working |
|
| Sound distortion |
|
Specifications
Detailed technical specifications for the JBL Tune 520C headphones:
| Feature | Detail |
|---|---|
| Model Name | JBL Tune 520C |
| Connectivity Technology | Wired (USB-C) |
| Headphones Jack | USB-C |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 32 Millimeters |
| Frequency Response | 20 KHz (Hi-Res Audio Support) |
| Sensitivity | 103 dB |
| Impedance | 32 Ohms |
| Noise Control | Passive Noise Cancellation |
| Control Method | Remote (3-button inline) |
| Special Features | Foldable, Tangle-Free Cord, Integrated Remote Control, Hi-Res Audio, JBL Pure Bass Sound, EQ Presets |
| Water Resistance Level | Not Water Resistant |
| Item Weight | 150 Grams (approx. 5.3 ounces) |
| Product Dimensions | 7.11 x 6.1 x 2.88 inches |
| Manufacturer | JBL |
Warranty and Support
Your JBL Tune 520C headphones come with a Warranty/Warning document included in the box. Please refer to this document for detailed warranty terms and conditions.
For further support, product registration, or frequently asked questions, please visit the official JBL website or contact their customer service.





