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Sport 400

Sx-400 & S-400

Product Description

Meet your perfect workout partner.
No matter the workout, these tips are designed to stay put,
so you have earphones that move with you.

No-Slip Fit

Earphones falling out? Heat activated memory foam expands to unique ear canal shape, creating a custom, secure fit for amazing in-ear retention. Music while exercising is all yours.

Noise Reduction

Seals ear canal from environmental distractions. Enjoy music without raising the volume to compensate for external noise.

Enhanced Audio Performance

Maximize your listening experience. Hear music how it’s supposed to be heard, with all its highs and lows. Comply Foam seals the ear canal and funnels in pure sound.


Acoustically transparent filter ensures sweaty ears are no problem. This protects your earphone from moisture damage.  




Colors: Black
Foam Height: Small, Medium, and Large: 9.91 mm ± 0.6 mm (0.390” ± 0.025”)
Diameter at proximal end (end attaching to device):
Small: 11.56 mm ± 0.75 mm (0.455” ± 0.030”)
Medium: 12.83 mm ± 0.75 mm (0.505” ± 0.030”)
Large: 14.10 mm ± 0.75 mm (0.555” ± 0.030”)
Materials: Polyurethane foam, thermoplastic elastomer (all RoHS compliant)
Inside diameter of core: Depends on earphone design. 

Product Reviews

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  1. Quality Ear Tips

    Posted by Bob on 10th May 2016

    Comply tips dramatically improved the sound quality of my wireless earbuds. Not only was the sound quality enhanced, but the comfort improved with Comply Foam tips! I would strongly recommend the investment.

  2. Great!!

    Posted by Pat on 10th Apr 2016

    A really wonderful product!! Purchased for two pairs of Skullcandy inner ear headphones, they fit both perfectly and complement them really well! I've had no trouble with them coming lose while training/running since!!absolutely worth every penny!! I'm surprised that they aren't a standard option from the headphone manufacturer!!

    Well worth every penny!

  3. Daysleeper

    Posted by Niklas on 28th Nov 2015

    As a daysleeper they suits me perfect. They keep out noise and don't sore mycket ears.

  4. Great product

    Posted by Bauke-Jan on 25th Aug 2015

    They never fall out and block almost every noise! very good I never want to use thos rubber things again.

  5. Great Product

    Posted by Unknown on 10th Aug 2015

    Finally I found earbuds that fit my ears and do not fall out. Very comfortable. I would suggest these to everyone.

  6. Great for running

    Posted by Unknown on 27th Jun 2015

    Fit sniggly

  7. Excellent

    Posted by Rob on 3rd May 2015

    I'm never disappointed with Comply Foam Tips. They are a must have for all of my headphones.

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