What you need:
- Crystal Super headset
- Screwdriver
- DMAS (Left & Right)

Overview
- Peel Off the Foam Cover: Peel off the foam covering the earphone mounting holes on both sides of the headset.
- Remove the Default Earphones: Use a screwdriver to turn the screws counterclockwise and remove the original earphones.
- Align the DMAS Earphones: Insert the DMAS into the headset earphone mount, making sure the L (Left) and R (Right) labels are correctly aligned.
- Tighten the Screws: Once aligned, use the screwdriver to turn the screws clockwise to secure the earphones.
- Reattach the Foam: Don’t forget to stick the foam layer back over the earphone area after installation is complete.
Step by step
Step 1: Remove the Foam Cover
- Peel off the foam covering the earphone mounting holes on both sides of the headset.


Step 2: Remove the Default Earphones
- Use a screwdriver to turn the screws counterclockwise. Gently remove the original earphones and set them aside.
*Note: Be careful not to lose the screws — you’ll need them for the installation.


Step 3: Align the DMAS Earphones
- Take the DMAS and align them with the headset's mounting points.
*Note: Each DMAS earphone is labeled L (Left) and R (Right) — make sure you install them on the correct side!


Step 4: Tighten the Screws
- Once aligned, turn the screws clockwise to secure the DMAS to the headset. Make sure they’re firmly attached.

Step 5: Reattach the Foam Cover
- After installation, don’t forget to stick the foam back over the headset.

