ALXCD Foam Eartips Compatible with Bose QC Ultra Earbuds - Noise

Our review of the ALXCD Foam Eartips finds them best suited for listeners who already own Bose QuietComfort Ultra Earbuds and want a simple, affordable way to improve in-ear isolation and fit. The single biggest reason to buy is the memory foam material that compresses for insertion and expands to create a snug seal, noticeably reducing ambient noise during commutes or workouts. These replacement tips come as a set of 6 pairs in S, M, and L sizes and include a small fiber cloth, giving a practical kit for anyone seeking better passive noise isolation without changing earbuds.

Key Features

• Compatibility: Designed to work with BOSE QuietComfort Ultra Earbuds so users can swap tips without altering earbud function.
• Memory foam material: Soft foam conforms to the ear canal for a secure fit that improves comfort during extended listening sessions.
• Sound isolating design: Passive isolation reduces ambient noise, which helps with focused listening in noisy environments or intense workouts.
• Multiple sizes included: Six pairs in S, M, and L sizes increase the chance of finding the right seal for different ear shapes and preferences.
• Bonus fiber cloth: The included ALXCD fiber cloth is useful for gentle cleaning and helps keep tips and earbuds free of debris between uses.

Who It's For

These foam eartips are ideal for QC Ultra Earbuds owners who want improved passive noise reduction and a softer in-ear feel than stock silicone tips. They suit commuters, gym users, and anyone who finds their current tips uncomfortable or prone to slipping during activity.

They are less appropriate for listeners who prefer the precise acoustic tuning of original manufacturer tips or those who need custom-molded earpieces; this product focuses on comfort and isolation rather than bespoke acoustic modification.

Pros & Cons

Pros

• Comfortable memory foam that expands to form a secure seal for many ear shapes.
• Improves passive noise isolation, making music and calls clearer in loud environments.
• Comes in three sizes with six pairs total, which simplifies finding a good fit.
• Includes a fiber cloth for basic cleaning and maintenance of tips and earbuds.

Cons

• Foam can wear faster than silicone and may need periodic replacement depending on use.
• May slightly change the perceived treble or bass compared with original tips due to different seal characteristics.

Specifications

Brand	ALXCD
Compatible With	BOSE QuietComfort Ultra Earbuds
Material	Memory foam
Package Contents	6 pairs ear tips and 1 fiber cloth
Sizes Included	S, M, L
Color	Gray

Our Verdict

The ALXCD foam eartips are a practical, cost-effective upgrade for QC Ultra Earbuds owners who value comfort and passive noise isolation. With multiple sizes and a soft memory foam build, they deliver noticeable isolation and a secure fit, making them good value for commuters and active users who need quieter, more comfortable in-ear listening.

Frequently Asked Questions

Will these fit my Bose QuietComfort Ultra Earbuds?
Yes, they are made to be compatible with BOSE QuietComfort Ultra Earbuds and replace the original tips.

How many pairs are included?
The package includes six pairs of foam eartips in S, M, and L sizes, plus one fiber cloth.

Do they reduce outside noise?
Yes, the memory foam and sound isolating design reduce ambient noise for better focus during listening sessions.