Introduction
Thank you for choosing the Linsoul 7HZ Timeless AE Planar HiFi In-Ear Earphones. These earphones feature a 14.2mm planar driver designed for high-fidelity audio reproduction. This manual provides essential information for the proper setup, operation, and maintenance of your earphones.

Image: The Linsoul 7HZ Timeless AE earphones with their braided cable, connected to a portable digital audio player, resting on a wooden surface.
Package Contents
Please ensure all items are present in your package:
- 7HZ Timeless AE In-Ear Earphones (Left and Right units)
- Detachable 2PIN Cable
- Assorted Silicone Ear Tips
- Carrying Case

Image: A flat lay of the Linsoul 7HZ Timeless AE package contents, showing the two earphone units, the braided detachable cable, multiple sets of silicone ear tips in various colors and sizes, and a blue carrying case.
Setup
1. Attaching the Cable
- Identify the left (L) and right (R) earphone units and the corresponding connectors on the cable. The cable connectors are typically marked.
- Align the 2-pin connector on the cable with the receptacle on the earphone unit. Ensure the pins are correctly oriented.
- Gently push the connector straight into the earphone receptacle until it is firmly seated. Do not force the connection.
- Repeat for the other earphone unit.

Image: A close-up view of the Linsoul 7HZ Timeless AE earphones, highlighting the 2-pin connectors where the detachable cable attaches to the earphone units.
2. Selecting and Installing Ear Tips
Choosing the correct ear tip size is crucial for sound quality and comfort. Experiment with the included ear tips to find the best fit for your ears.
- Gently remove the pre-installed ear tips by pulling them off the nozzle.
- Select a pair of ear tips that feel comfortable and create a good seal in your ear canal.
- Push the new ear tips onto the earphone nozzle until they are securely attached.
3. Wearing the Earphones
The 7HZ Timeless AE earphones are designed to be worn with the cable routed over the ear for a secure and comfortable fit.
- Insert the earphone units into your ear canals.
- Guide the cable over the top and behind your ears. The cable has pre-formed ear hooks for stability.
- Adjust the earphones and cable for a snug and comfortable fit.
Operating Instructions
1. Connecting to an Audio Source
Connect the 3.5mm or other compatible termination of the earphone cable to the audio output jack of your device (e.g., smartphone, digital audio player, computer).

Image: The Linsoul 7HZ Timeless AE earphones with their braided cable, plugged into a portable audio device, resting on a textured surface.
2. Audio Playback
Once connected, begin audio playback from your source device. Adjust the volume to a comfortable listening level. Avoid listening at excessively high volumes for prolonged periods to prevent hearing damage.
3. Cable Connectors
The included cable features swappable gold-plated connectors (4.4mm, 2.5mm, and 3.5mm) for compatibility with various audio devices. To change the connector, gently pull the current connector off the cable and push the desired connector firmly into place.

Image: The 'Thunderbird' cable for the Linsoul 7HZ Timeless AE earphones, showcasing its braided silver-plated copper construction and three swappable gold-plated audio jack connectors (4.4mm, 2.5mm, and 3.5mm).
Maintenance
1. Cleaning the Earphones
- Ear Tips: Remove ear tips and wash them with mild soap and water. Rinse thoroughly and allow them to dry completely before reattaching.
- Earphone Units: Wipe the earphone shells with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Nozzles: Periodically check the earphone nozzles for earwax buildup. Use a small, soft brush or a cleaning tool to gently remove any debris.
2. Cable Care
- Avoid sharp bends or excessive pulling on the cable.
- When storing, coil the cable loosely to prevent tangling and damage.
3. Storage
When not in use, store your earphones in the provided carrying case to protect them from dust, moisture, and physical damage.
Troubleshooting
- No Sound:
- Ensure the cable is securely connected to both the earphones and the audio source.
- Check the volume level on your audio source.
- Test with a different audio source or cable if possible.
- Poor Sound Quality / Lack of Bass:
- Verify that the ear tips create a proper seal in your ear canal. Try different sizes.
- Ensure the earphones are inserted correctly.
- Intermittent Sound:
- Check for loose cable connections at both the earphone and source ends.
- Inspect the cable for any visible damage.
Specifications
| Feature | Specification |
|---|---|
| Brand | Linsoul |
| Model Name | 7HZ Timeless AE |
| Ear Placement | In Ear |
| Driver Type | 14.2mm Planar Magnetic Driver |
| Impedance | 28 Ohms |
| Frequency Response | 5 Hz - 40,000 Hz |
| Connectivity Technology | Wired |
| Headphone Jack | 2 Pin 0.78mm |
| Cable Features | Detachable |
| Enclosure Material | Aluminum |
| Item Weight | 0.15 Kilograms |
| Water Resistance Level | Not Water Resistant |

Image: A graphic displaying the frequency response curve of the Timeless AE earphones compared to the original Timeless, alongside a table of key specifications including brand, model, impedance, sound pressure level, frequency response, THD, driver type, connector, and unit weight.
Warranty Information
The Linsoul 7HZ Timeless AE earphones come with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or warranty inquiries, please contact your retailer or the Linsoul customer service team through their official website or the platform where you purchased the product. Provide your product model and proof of purchase for efficient service.




