Introduction
The HIFIMAN HE1000 is an over-ear planar magnetic headphone designed for high-fidelity audio reproduction. It incorporates advanced technologies to deliver a precise and immersive listening experience. This manual provides essential information for setting up, operating, and maintaining your HE1000 headphones.

Figure 1: HIFIMAN HE1000 Over Ear Planar Magnetic Headphone
Key Features
- Nanometer Thickness Diaphragm: The diaphragm is engineered to be extremely thin, resulting in faster response times and reduced distortion for superior sound clarity.
- Advanced Asymmetrical Magnetic Circuit: This innovative design ensures near-perfect reproduction of live music, minimizing sound wave reflections and vibrations.
- Patented "Window Shade" System: Designed for optimal open-back performance, this system protects the drivers while preventing sound wave interference, contributing to a wider and more natural soundstage.
- Ergonomic and Comfortable Design: The headband features a steady arch structure and is designed for extended listening sessions with improved reliability and durability.
- Meticulously Crafted: Each unit is quality-checked by hand, reflecting exceptional craftsmanship.
Setup
Follow these steps to set up your HIFIMAN HE1000 headphones:
- Unpacking: Carefully remove the headphones and included cable from their packaging. Inspect for any visible damage.
- Cable Connection: The HE1000 features a detachable cable. Connect the 3.5mm audio jack ends of the cable securely into the corresponding ports on each earcup. Ensure a firm connection.
- Source Connection: Plug the other end of the cable into your audio source (e.g., headphone amplifier, digital audio player, computer). The headphones are designed for wired connectivity.
- Adjusting Fit: Place the headphones over your ears. Adjust the headband to ensure a comfortable and secure fit. The earcups should fully enclose your ears without excessive pressure.

Figure 2: Proper cable connection and fit adjustment
Operating Instructions
The HIFIMAN HE1000 headphones are designed for straightforward operation:
- Power On/Off: As wired headphones, there is no separate power button. They draw power directly from your audio source.
- Volume Control: Adjust the volume using the controls on your connected audio source.
- Comfort Adjustment: For optimal sound and comfort during long listening sessions, periodically check the fit of the earcups and headband. The asymmetrical over-ear design is crafted to conform to the shape of your ears.
- Media Control: If your audio source supports it, media playback (play/pause, skip tracks) can be controlled directly from the source device.

Figure 3: Side view of the HE1000, highlighting the ergonomic design
Maintenance
Proper care will ensure the longevity and performance of your HE1000 headphones:
- Cleaning Earcups: Gently wipe the earpads with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Cleaning Headband and Frame: Use a slightly damp cloth to clean the headband and metal frame. Ensure no moisture enters the driver units.
- Storage: When not in use, store the headphones in a clean, dry place, preferably in their original packaging or a protective case, to prevent dust accumulation and accidental damage.
- Cable Care: Handle the detachable cable with care. Avoid sharp bends or excessive pulling, which can damage the connectors.

Figure 4: Close-up of the headband, illustrating its durable construction
Troubleshooting
If you encounter issues with your HIFIMAN HE1000 headphones, try these troubleshooting steps:
- No Sound:
- Ensure the cable is securely connected to both the headphones and the audio source.
- Check the volume level on your audio source and any connected amplifiers.
- Test the headphones with a different audio source or cable to isolate the problem.
- Distorted Sound:
- Lower the volume on your audio source.
- Ensure the audio source is providing a clean signal.
- Check for any damage to the cable or headphone drivers.
- Uncomfortable Fit:
- Adjust the headband and earcup swivel to find the most comfortable position.
- Allow for a break-in period, as materials may soften with use.
If problems persist, contact HIFIMAN customer support for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Model Name | HE1000 |
| Audio Driver Type | Planar Magnetic Driver |
| Impedance | 35 ± 3 Ohms |
| Sensitivity | 90 dB |
| Ear Placement | Over Ear |
| Earpiece Shape | Asymmetrical Over-Ear |
| Connectivity Technology | Wired (3.5mm Jack) |
| Cable Feature | Detachable |
| Included Components | Cable |
| Item Weight | 480 Grams (1.06 pounds) |
| Product Dimensions | 13.5 x 10.51 x 7.99 inches |
| Color | Silver |
| Carrying Case Material | Synthetic Leather |
| Manufacturer | HIFIMAN Electronics |
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or visit the official HIFIMAN website. Keep your proof of purchase for warranty claims.
HIFIMAN Customer Service: For any inquiries or support needs, please contact HIFIMAN directly through their official channels.