Bose Quiet Comfort 35 II Speaker Driver Replacement

Introduction

Over time the speaker driver can blow. Some prior knowledge that may be helpful is soldering/ desoldering skills and how to use the Ifixit tools. If you need guidance, there are links to help you at the bottom. Here is a guide to help you replace the speaker driver on your Bose Quiet Comfort 35 II.

Special Skills:

How To Solder and Desolder Connections

iOpener Instructions

What you need

Step 1 Speaker Driver

Bose Quiet Comfort 35 II Speaker Driver Replacement, Speaker Driver: step 1, image 1 of 1

Take off the ear cushion pad using the plastic opening tool on the right headphone.
This will be done using a prying motion between the cushion pad and the headphone itself.

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Step 2

Take off the ear cover off by peeling the glue back with hands.

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Step 3

Remove the two 7-millimeter silver screws on the right earphone using the Phillips #000 to disconnect the back cover.

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Step 4

Remove the two 5-millimeter silver screws attaching the earphone to the headband using the Phillips #000.

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Step 5

Detach the earpiece from the band to reach the speaker driver with better access.
This will be done with your hands. The connecting piece can slide out and allow it to detach.

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Step 6

Detach the silver cover piece on the outside of the headset using the black stick spudger.
This will be done by entering the black stick spudger in an opening and pry the cover piece off.

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Step 7

Remove the four 5-millimeter black screws using the Phillips #000 around the circuit board.

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Step 8

Take off the gray on/off switch on the circuit board.
This can be done with your fingers. Just pull up on the switch and it should detach.

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Step 9

Pry off the glued ribbon cables with the black stick spudger by entering it below the ribbon cable and pulling it up.
This prying motion will allow the ribbon cable to come off safely.

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Step 10

Bose Quiet Comfort 35 II Speaker Driver Replacement: step 10, image 3 of 3

Detach the second ribbon wire for the charging cable with your hands by pulling each side of the component to separate it.
No extra tools are needed.

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Step 11

Use the iOpener to loosen the glue on the speaker cover by laying it on top of the glue.

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Step 12

Pry off the speaker cover using the flathead from the Plastic Spudger Set.
Enter the flathead under the plastic speaker cover and pry in an upwards motion.

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