1. Introduction
Thank you for choosing the OneOdio Pro-50 Hi-Res Over-Ear Headphones. These headphones are designed for studio monitoring, mixing, and general audio enjoyment, offering high-resolution audio compatibility and sound isolation. This manual provides essential information for the proper setup, operation, and maintenance of your headphones.

Image 1: OneOdio Pro-50 Hi-Res Over-Ear Headphones with detachable cables.
2. Package Contents
Please verify that all items are present in your package:
- OneOdio Pro-50 Over-Ear Headphones
- Audio Cable with 3.5mm and 6.35mm plugs
- Audio Cable with in-line microphone (3.5mm)
- Carrying Pouch (material: Synthetic fabric, color: Gray Brown)
3. Product Features
3.1 Hi-Res Audio Certified
Experience superior sound quality with Hi-Res Audio compatibility. The 50mm neodymium drivers are engineered to reproduce a wide frequency range, delivering clear and crisp tones for an immersive listening experience.

Image 2: Headphone earcup displaying the Hi-Res Audio certification logo.
3.2 Dual-Duty Cable Design
The Pro-50 headphones feature a unique dual-duty cable with gold-plated 3.5mm and 6.35mm plugs on each end. This design eliminates the need for adapters, allowing direct connection to various audio equipment.

Image 3: Illustration of the dual-duty cable connecting to devices with 3.5mm and 6.35mm jacks.
3.3 Comfort and Sound Isolation
The earcups are equipped with protein leather memory foam padding, designed for extended comfort during long listening sessions and effective noise isolation from external environments.

Image 4: Diagram illustrating the multi-layered construction of the comfortable earcups.
3.4 Foldable and Swiveling Design
The earcups can swivel for single-sided monitoring, and the headphones feature a foldable design for compact storage and portability, fitting neatly into a bag or laptop case.

Image 5: The headphones shown in folded, 90-degree rotated, and 180-degree flipped positions.
3.5 In-line Microphone and Controls
The included 3.5mm audio cable features an in-line microphone and remote control for convenient management of audio playback and calls.
- Press button once: Play/Pause music, Answer call
- Press button once again (during call): End call

Image 6: Detailed view of the in-line microphone and remote control buttons.
3.6 SharePort Technology
The SharePort feature allows multiple OneOdio headphones to be daisy-chained together, enabling shared audio listening from a single source.

Image 7: Visual representation of SharePort technology, allowing multiple users to listen to the same audio source.
4. Setup and Connection
The OneOdio Pro-50 headphones are designed for versatile connectivity with various audio devices.
4.1 Connecting to Audio Devices
- Identify the audio output port on your device (e.g., smartphone, tablet, laptop, audio interface, amplifier, guitar, keyboard).
- Select the appropriate cable: use the dual-duty cable for devices with 3.5mm or 6.35mm jacks, or the in-line mic cable for devices requiring a 3.5mm connection with microphone functionality.
- Insert the smaller end of the chosen cable into the headphone's audio input port.
- Insert the larger end of the cable into your device's audio output port.
- Ensure a secure connection for optimal audio performance.

Image 8: Headphones connected to an audio source, such as a turntable.
5. Operating Instructions
5.1 Basic Audio Playback
Once connected, play audio from your device. Adjust the volume using your device's controls. The headphones are designed for studio monitoring and mixing, providing accurate sound reproduction.

Image 9: Individuals engaged in music production and mixing while wearing the headphones.
5.2 Using In-line Controls (with 3.5mm mic cable)
- Music Playback: Press the button once to play or pause music.
- Call Management: Press the button once to answer an incoming call. Press it again to end an active call.
5.3 Single-Sided Monitoring
The swiveling earcups allow for single-sided monitoring, a common practice in DJing and studio environments where one ear needs to remain open to ambient sound.

Image 10: A person using the headphones while working at a professional mixing console.
6. Care and Maintenance
Proper care ensures the longevity and performance of your OneOdio Pro-50 headphones.
- Cleaning: Use a soft, dry cloth to clean the exterior surfaces. For earcups, gently wipe with a slightly damp cloth and allow to air dry completely. Avoid harsh chemicals or abrasive materials.
- Storage: When not in use, fold the headphones and store them in the provided carrying pouch to protect them from dust and physical damage.
- Moisture: These headphones are not water resistant. Avoid exposure to liquids, high humidity, or extreme temperatures.
- Cables: Handle cables gently. Avoid sharp bends or excessive pulling to prevent internal wire damage. The detachable cables allow for easy replacement if needed.
7. Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Loose cable connection, incorrect audio source, device volume too low, faulty cable. | Ensure cables are fully inserted. Check audio source selection on your device. Increase device volume. Try a different audio cable if available. |
| Distorted or poor sound quality | Loose connection, damaged cable, incorrect audio settings on device, low-quality audio file. | Check cable connections. Test with a different audio source or file. Ensure device audio settings are appropriate. Replace cable if damaged. |
| Microphone not working | Incorrect cable used, device microphone settings, faulty cable. | Ensure you are using the 3.5mm cable with the in-line microphone. Check your device's microphone input settings. Test with another device. |
| Headphones uncomfortable | Improper fit, prolonged use. | Adjust the headband for a comfortable fit. Take breaks during extended listening sessions. |
8. Specifications
Detailed technical specifications for the OneOdio Pro-50 headphones:
| Feature | Detail |
|---|---|
| Model Name | Pro-50 |
| Driver Unit | 50mm Neodymium Dynamic Driver |
| Impedance | 32 Ohm |
| Sensitivity | 110 dB |
| Frequency Response | 40 KHz |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm & 6.35 mm Jack |
| Cable Feature | Detachable |
| Cable Length | 117.6 Inches (approx. 3 meters) |
| Noise Control | Sound Isolation |
| Material | Protein Leather, Synthetic Fabric |
| Item Weight | 0.4 Kilograms (14.1 ounces) |
| Water Resistance Level | Not Water Resistant |
| Special Feature | Foldable Design |

Image 11: Internal diagram illustrating the components of the 50mm audio driver.
9. Warranty and Support
OneOdio products are manufactured with attention to quality and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official OneOdio website.
For technical support, troubleshooting assistance, or any inquiries regarding your OneOdio Pro-50 headphones, please contact OneOdio USA customer service. Contact information can typically be found on the product packaging or the official OneOdio brand store online.
Manufacturer: OneOdio USA
Online Store: OneOdio Store on Amazon





