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How to Replace the Left and Right Speaker Housings on the Bose QuietComfort (QC) Ultra Headphones (DIY Repair Guide)
Do your Bose QuietComfort (QC) Ultra wireless headphones produce crackling, buzzing, or rattling sounds at medium volume? Is one earcup noticeably quieter than the other, or completely silent even though the touch controls still work? If you’re also noticing reduced volume or complete sound loss on one side, these are strong indicators that the speaker driver may be damaged and needs to be replaced.
In this DIY repair guide, we show you how to replace the left and right speaker housings on the Bose QuietComfort (QC) Ultra wireless headphones at home with original replacement parts. You will find all the tools and OEM spares needed for this repair listed below.
Prefer to get your headphones repaired professionally? Send us your Bose QuietComfort (QC) Ultra headphones using our mail-in repair service, and our repair ninjas will restore your device to peak working condition. You don’t need to pay upfront. We only charge after repairing your device.
Fill out our repair form to receive your free prepaid shipping label, then send your device. We’ll take care of the rest.
Video Tutorials
Here are the video tutorials for replacing the left and right speaker housings on the Bose QuietComfort (QC) Ultra wireless Bluetooth headphones.
- Bose QuietComfort (QC) Ultra Left Speaker Housing Replacement
- Bose QuietComfort (QC) Ultra Right Speaker Housing Replacement
Repair Difficulty
Moderate / Requires 30 to 40 minutes to complete
This repair involves carefully disassembling the Bose QuietComfort Ultra headphones to reveal the faulty speaker housing and replacing it with genuine spare parts. You don’t need technical skills or prior experience to complete this repair. With the right tools, a bit of patience, and attention to detail, you can fix your Bose QC Ultra headphones at home.
Replacement Parts You’ll Need
Restore the audio quality of your Bose QC Ultra headphones with genuine spares. Select the OEM replacement parts from the drop-down menu below to bring your device back to peak working condition.
- Bose QuietComfort Ultra (2023) Headphones Spare Replacement Repair - Parts
Looking for another spare part? Browse Joe’s GE Parts Catalog for the Bose QuietComfort (QC) Ultra headphones to find genuine replacement parts.
Tools You’ll Need
Before starting the Bose QuietComfort (QC) Ultra speaker housing replacement, gather the following tools. Using the correct instruments will help you complete the repair successfully. We used the following tools and recommend them for a safe, professional-quality DIY fix at home.
Don’t want to DIY? Let our certified techs handle the repair. Book your repair now.
Step-by-Step DIY Guide to Replacing Faulty Left and Right Speaker Housings on the Bose QuietComfort (QC) Ultra Headphones at Home
In this detailed DIY repair guide, we show you how to replace the left and right speaker housings on the Bose QC Ultra headphones yourself. Follow each step carefully and use the accompanying images as a visual guide to complete the repair with confidence.
The repair process is very similar for both sides. We will highlight the minor differences that you need to remember while repairing the headphones yourself.
Step 1: Extract the Earpad Cushion
1.1. Insert a strong metal pry tool into the seam between the earpad cushion and the earcup, and gently pry it off.

1.2. Extract the foam mesh with the pry tool and set it aside.

Step 2: Extract the Faulty Speaker Housing
2.1. Unfasten 4 screws on the right side (or 3 on the left side) securing the speaker housing with the earcup and store them in one of the slots on the rubber work mat.

2.2. Gently flip the speaker housing from the bottom to reveal the speaker cable. Use precision tweezers to flip the lock and unplug the ribbon cable, then discard the speaker housing.

Step 3: Install New Speaker Housings
3.1. Grab a new speaker housing, then reconnect the ribbon cable from the speaker housing to the main board.

3.2. 5Flip the speaker housing over the earcup, then secure the assembly by fastening four 2.0 mm Phillips screws on the right (or 3 screws on the left side).

Step 4: Reinstall the Earpad Cushion
4.1. Insert the foam mesh in the earcup.

4.2. Align the grooves on the earpad cushion with those on the earcup and push them into place.

Congratulations! Your Bose QuietComfort (QC) Ultra Wireless Bluetooth Headphones are Ready to Use
You have fixed the no-sound issue on the Bose QuietComfort (QC) Ultra headphones by replacing the faulty left or right speaker housings. Check audio quality, charging stability, touch response, and Bluetooth pairing to confirm the device is working properly.

If you found this guide helpful and would like to try your hand at DIY gadget repair, check out our store for essential tools and spare parts. You can also check out our at-home headphone repair guides for other popular brands, including Apple, Beats, Bose, and Sony.
Have questions or suggestions about this repair? Text a repair ninja or email us, and we’ll respond as soon as we can.