Introduction
The HIFIMAN Deva-Pro is an over-ear, open-back planar magnetic headphone designed for high-fidelity audio. This wired version incorporates advanced acoustic technologies to deliver a detailed and immersive listening experience. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Deva-Pro headphones.
Image: HIFIMAN Deva-Pro headphones, showcasing their design and earcups.
What's in the Box
- HIFIMAN Deva-Pro Headphones
- Audio Cable (dual-sided unbalanced 3.5mm to single-sided 3.5mm balanced)
Image: Diagram illustrating the dual compatibility mode for cable connections, showing both dual-sided unbalanced 3.5mm and single-sided 3.5mm balanced cable options.
Product Features
- Acoustically Invisible Stealth Magnet: The unique shape of Stealth Magnets allows sound waves to pass through without interference, reducing wave diffraction turbulence and delivering pure, accurate sonic output.
- HIFIMAN NEO "supernano" Diaphragm (NsD): The NsD is 80% thinner than previous designs, ensuring fast response and detailed imaging with lush, full-range sound.
- Lightweight, Ergonomic Headband: Designed for maximum comfort during extended listening sessions.
- Dual Cable Compatibility: The headphone socket supports both dual-sided unbalanced 3.5mm cables and single-sided 3.5mm balanced cables (left socket).
Image: Technical diagram explaining the Acoustically Invisible Stealth Magnet design and its benefits.
Image: Close-up view of the NEO Supernano Diaphragm, highlighting its thin design.
Setup
- Connect the Audio Cable: Insert the 3.5mm connectors from the audio cable into the corresponding sockets on each earcup. Ensure a secure connection. The left earcup socket can accommodate a single-sided 3.5mm balanced cable.
- Connect to Audio Source: Plug the other end of the audio cable (3.5mm or 6.35mm adapter, if needed) into your audio source (e.g., amplifier, DAC, computer, mobile device).
- Adjust Headband: Adjust the headband for a comfortable and secure fit on your head. The lightweight design is intended for extended wear.
Image: Close-up of the HIFIMAN Deva-Pro earcup, illustrating the 3.5mm audio jack for cable connection.
Operating Instructions
- Volume Control: Adjust the volume using your audio source. The headphones do not feature integrated volume controls.
- Optimal Listening: For the best audio experience, ensure your audio source is capable of driving planar magnetic headphones effectively. While the Deva-Pro is relatively easy to drive, a dedicated headphone amplifier or DAC can enhance performance.
- Open-Back Design: The open-back design provides a wide soundstage and natural sound. Be aware that sound leakage will occur, and external noise will not be fully isolated.
Video: Official product video showcasing the HIFIMAN Deva-Pro Open-Back Headphones, demonstrating their design and features.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Handle the audio cable gently. Avoid sharp bends or excessive pulling to prevent damage.
- Earpad Replacement: Earpads are user-replaceable. Refer to the manufacturer's website for replacement parts and instructions.
Troubleshooting
- No Sound: Ensure the audio cable is securely connected to both the headphones and the audio source. Check the volume level on your audio source. Test with a different audio source or cable if possible.
- Distorted Sound: Reduce the volume on your audio source. Ensure the audio source is not overdriving the headphones. Check for cable damage.
- Uncomfortable Fit: Adjust the headband and earcups to find a comfortable position. The headband is designed to be lightweight for comfort.
Specifications
| Model Name | DEVA Pro-wired |
| Connectivity Technology | Wired |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
| Impedance | 18 Ohms |
| Sensitivity | 93.5 dB |
| Frequency Response | 20000 Hz |
| Headphones Jack | 3.5 mm Jack |
| Item Weight | 360 Grams (12.7 ounces) |
| Product Dimensions | 2.99 x 2.01 x 2.99 inches |
| Material | Metal, Plastic |
| Special Feature | Lightweight |
Warranty and Support
The HIFIMAN Deva-Pro headphones come with a manufacturer's warranty. For specific details regarding the warranty period and terms, please refer to the documentation included with your product or visit the official HIFIMAN website.
For customer support, technical assistance, or service inquiries, please contact HIFIMAN Electronics directly through their official support channels. You may also be eligible for a 30-day return/replacement policy from your point of purchase.
