1. Product Overview
This manual provides instructions for the installation and care of your HTINDUSTRY HX-400 replacement earpads. These earpads are designed to replace worn-out ear cushions on Jam HX-HP400 Bluetooth headphones, restoring comfort and sound quality.
Key Features:
- Compatibility: Specifically designed for Jam HX-HP400 Bluetooth Headsets/Headphones.
- Durable Materials: Constructed with breathable, durable fabric and soft memory foam.
- Enhanced Comfort: Soft materials conform to the ears, reducing pressure during extended use.
- Noise Isolation: Provides effective noise isolation for an improved listening experience.
- Easy Installation: Designed for straightforward replacement without special tools.
2. Compatibility
The HTINDUSTRY HX-400 replacement earpads are compatible with the following headphone model:
- Jam HX-HP400 Bluetooth Headsets/Headphones

Figure 2.1: Visual confirmation of compatibility with Jam HX-HP400 headphones.
3. Package Contents
Verify that all items are present in the package:
- Earpad Cushions (2 pieces)

Figure 3.1: Contents of the earpad replacement package.
4. Installation Guide
Follow these steps to replace your headphone earpads. No special tools or glue are required for installation.
- Remove Old Earpads: Gently peel off the existing earpads from your Jam HX-HP400 headphones. They are typically held in place by a rim or adhesive.
- Clean Headphone Surface: Ensure the headphone's ear cup surface is clean and free of any debris or residue from the old earpads.
- Align New Earpads: Take one new HTINDUSTRY earpad. Align the back rim of the earpad with the groove on the headphone's ear cup.
- Secure Earpads: Carefully stretch the earpad's rim around the ear cup, working your way around the circumference until it is fully seated and secure. Ensure there are no gaps.
- Repeat for Second Earpad: Follow the same steps for the other earpad.
- Test Fit: Once both earpads are installed, gently press them to ensure they are firmly attached and fit perfectly.

Figure 4.1: The earpads are designed for easy, tool-free installation.
5. Care and Maintenance
To ensure the longevity and hygiene of your earpads, follow these maintenance guidelines:
- Cleaning: Wipe the earpads gently with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these can damage the fabric and foam.
- Drying: Allow the earpads to air dry completely before reattaching them to your headphones or storing them. Do not expose them to direct sunlight or high heat.
- Storage: When not in use, store your headphones in a clean, dry place to prevent dust accumulation and material degradation.
6. Product Specifications
| Specification | Detail |
|---|---|
| Brand | HTINDUSTRY |
| Model | HX-400 |
| Compatible Devices | Jam HX-HP400 Bluetooth Headphone |
| Material | Durable Fabric, Memory Foam |
7. Warranty Information
HTINDUSTRY provides a 1-Year Warranty against manufacturer defects for these replacement earpads. This warranty covers defects in materials and workmanship under normal use.
The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
8. Customer Support
If you encounter any issues with your HTINDUSTRY HX-400 replacement earpads, or have questions regarding installation or compatibility, please contact our customer support team.
Our team is committed to providing satisfactory solutions and assistance. Please refer to your purchase documentation or the HTINDUSTRY brand store on Amazon for contact details.
- Online Support: Visit the HTINDUSTRY Store on Amazon for more information and contact options.

Figure 8.1: Contact HTINDUSTRY customer service for assistance.